Search results

• Eschscholzia
  (15–)20 mm or more, orange or deep yellow; California (Kern County). Eschscholzia lemmonii 9 Petals 15 mm or less, yellow; inland California Coast Ranges
  9 KB (321 words) - 08:45, 30 July 2020
• Erigeron
  pistillate, fertile; corollas usually white to bluish or purplish to pink, less commonly yellow (coiling from apices, reflexing at tube/lamina junction, or remaining
  97 KB (2,063 words) - 21:58, 29 July 2020
• Delphinium sect. Diedropetala
  or yellow; lower petal blades often same color as lateral sepals, usually greater than 1/5 length of lateral sepals (exceptions in red and yellow-flowered
  3 KB (434 words) - 08:42, 30 July 2020
• Carex (section Key E. Spikes 2+ per culm, at least some flowers pistillate; stigmas (2–)3(–4); achenes usually ± trigonous in cross section; body of perigynium glabrous or papillose, papillae then mostly not longer than wide; bracts sheathless or sheath less than 4 mm, rarely longer, then sheath shorter than diameter of stem)
  M-shaped in cross-section, rarely filiform, involute, or rounded, commonly less than 20 mm wide, if flat then with distinct midvein. Inflorescences terminal
  80 KB (3,349 words) - 15:29, 15 December 2020
• Cactaceae
  8-12-ribbed; ribs not winglike, less than 1 cm deep (from rib’s base to crest), nearly as broad as deep; areoles usually spaced less than 2.5 cm apart along ribs;
  40 KB (1,967 words) - 15:27, 15 December 2020
• Orchidaceae
  recently described species from Peru). Likewise, flowers vary in size from less than 1 mm and barely visible to the naked eye (Platystele Garay), to 15–20
  41 KB (2,210 words) - 05:19, 30 July 2020
• Eriogonum subg. Eucycla
  bases in E. saxatile and E. crocatum); perianth various shades of white, yellow, pink, or red, glabrous, glandular, or variously pubescent abaxially, usually
  80 KB (1,352 words) - 10:29, 30 July 2020
• Crataegus
  leaves shallowly to deeply incised (rarely pinnately compound), the narrower less incised, margins flat, serrate, young teeth often gland-tipped, venation
  26 KB (2,400 words) - 15:31, 15 December 2020
• Asteraceae (section Key to Genera of Group 9 Heads radiate; receptacles epaleate; ray corollas white, pink, or purple (with little, if any, yellow); pappi wholly of bristles (without awns or scales))
  Stylidiaceae. Within Asterales, Asteraceae is part of a clade (corollas with more or less fused lateral veins joining midvein near lobe apices, thick integuments,
  275 KB (5,940 words) - 15:30, 15 December 2020
• Mniaceae
  or sometimes double or several, yellow, brown, red, yellowish green, yellowish-brown, reddish-brown, or orange-yellow, sometimes blackish with age, elongate
  16 KB (638 words) - 07:40, 30 July 2020
• Pteridaceae
  absent or commonly of hairs, glands, and/or scales, occasionally of white or yellow farina. Veins pinnate or parallel in ultimate segments of blades, simple
  15 KB (634 words) - 00:29, 30 July 2020
• Polygonaceae subfam. Eriogonoideae
  articulations (Eriogonum); perianth accrescent in fruit, mostly white to red, yellow, light green, greenish white, maroon, or purple, urceolate to campanulate
  21 KB (927 words) - 10:29, 30 July 2020
• Brassicaceae
  capparideum), termed siliques if length 3+ times width, or silicles if length less than 3 times width, sometimes nutletlike, lomentaceous, samaroid, or schizocarpic
  107 KB (3,718 words) - 12:07, 30 July 2020
• Castilleja
  corolla white to pale greenish proximally, usually becoming green, white, yellow, orange, red, pink, or purple distally, tubular proximally, strongly bilabiate
  79 KB (2,746 words) - 18:50, 29 July 2020
• Helianthus
  rarely 0, neuter; corollas usually yellow. Disc-florets (15–) 30–150+ (–1000+ in cultivars), bisexual, fertile; corollas yellow or reddish (at least distally)
  32 KB (1,118 words) - 23:14, 29 July 2020
• Asteraceae tribe Gnaphalieae
  as weeds. Phyllaries in most Gnaphalieae are usually more or less herbaceous to more or less cartilaginous medially and/or proximally and membranous to scarious
  25 KB (1,822 words) - 20:30, 29 July 2020
• Potentilla
  lanceolate to broadly ovate or deltate; petals (4 or) 5 (–10), pale to bright-yellow, less often dark reddish, reddish orange, or white, oblanceolate or obovate
  31 KB (1,939 words) - 13:53, 30 July 2020
• Bryaceae
  the keys are as follows; stems: short (less than 1 cm), medium (1–3 cm), long (more than 3 cm); leaves: small (less than 1.5 mm), medium (1.5–3 mm), large
  20 KB (757 words) - 07:35, 30 July 2020
• Rumex
  (tubercle); stamens 6; filaments distinct, free, glabrous; anthers, yellow to brownish yellow, ovate to elongate; styles 3, spreading or reflexed, distinct;
  41 KB (1,085 words) - 10:05, 30 July 2020
• Hypnaceae
  611. Plants small to large, lax to dense, in tufts or mats, dark green, yellow-green, golden green, or orange, sometimes reddish-brown or nearly black
  15 KB (450 words) - 07:51, 30 July 2020
• Cyperaceae
  capitulum (head), rarely single spike, usually subtended by foliaceous or, less frequently, glumaceous bracts; secondary inflorescences sometimes simulating
  24 KB (775 words) - 01:21, 30 July 2020
• Echinocereus
  unsegmented, yellow-green to dark green, spheric to long cylindric, sometimes tapering distally, (1–) 2–70 (–130) [–200] × (0.6–) 1–15 cm, less than 40 cm
  24 KB (1,147 words) - 09:19, 30 July 2020
• Pinus
  around base of current-years growth, mostly ovoid to cylindric-conic, tan to yellow, red, blue, or lavender. Seed-cones maturing in 2 (–3) years, shed early
  29 KB (1,428 words) - 00:26, 30 July 2020
• Agave
  fibrous-rooted crowns, often rhizomatous. Stems aboveground, unbranched or, less often, branched. Leaves evergreen in rosette; blade light green to green
  24 KB (1,110 words) - 06:12, 30 July 2020
• Oenothera
  or) 4, usually yellow, purple, or white, rarely pink or red, sometimes base pale green to yellow, usually fading orange, purple, pale-yellow, reddish, or
  26 KB (2,106 words) - 21:01, 7 June 2022
• Sedum
  Inflorescences terminal or axillary cymes (sometimes compound, cincinnate, less often simple). Pedicels present or absent. Flowers erect, (3–) 5–8 [–12]
  21 KB (778 words) - 13:02, 30 July 2020
• Mielichhoferiaceae
  diplolepidous-alternate, rarely reduced or absent, 4: 2:4–6 (–8); exostome white, pale-yellow to brown, or rarely red, teeth triangular to lanceolate, rarely reduced
  15 KB (690 words) - 07:39, 30 July 2020
• Spiranthes
  Flowers resupinate, often somewhat apically recurved, white, cream, or yellow (pink in S. sinensis); perianth parts distinct or sepals basally connate
  18 KB (547 words) - 05:22, 30 July 2020
• Asteraceae tribe Heliantheae
  usually pistillate, rarely neuter or styliferous and sterile; corollas usually yellow to orange, sometimes cyanic to red, dark-brown, or purplish, or white (laminae
  30 KB (1,803 words) - 22:30, 29 July 2020
• Rosaceae
  having normally green sepals and showy, often more or less clawed, usually white, yellow, or pink, less commonly red or green, petals. The flowers in some
  23 KB (1,553 words) - 13:58, 30 July 2020
• Ranunculus
  purple, yellow, or white, plane (base saccate in R. ficaria), oblong to elliptic, ovate, or lanceolate, 1-15 mm; petals 0-22 (-150), distinct, yellow, rarely
  15 KB (560 words) - 08:33, 30 July 2020
• Salix subg. Salix
  connate less than 1/2 their lengths, hairy on proximal 1/2 or basally, rarely glabrous; anthers usually yellow, sometimes reddish turning yellow. Pistillate
  14 KB (582 words) - 12:06, 30 July 2020
• Eriogonum umbellatum
  including (0.7–) 1.3–2 mm stipelike base; perianth various shades of white, yellow, or red, glabrous; tepals monomorphic, usually spatulate to obovate; stamens
  27 KB (1,609 words) - 10:41, 30 July 2020
• Botrychium subg. Botrychium
  appears in FNA Volume 2. Roots usually 10 or fewer, yellow or brown, 0.5–1.5mm diam. 1 cm from base. Plants less than 15 cm. Common stalk lacking idioblasts.
  5 KB (560 words) - 00:23, 30 July 2020
• Pottiaceae
  absent, more usually erect or twisted usually dextrose (counter clockwise), yellow, orange, or red, rudimentary or consisting of 16 mostly twice cleft, spiculose
  28 KB (882 words) - 07:00, 30 July 2020
• Erythronium
  spreading to reflexed, distinct, similar, white, yellow, pink, or violet, often with basal zone of yellow or other colors, lanceolate to ovate, inner tepals
  18 KB (1,049 words) - 05:39, 30 July 2020
• Drymocallis
  narrowly to broadly-triangular-ovate; petals 5, white to pale or bright-yellow, rarely red-tinged (D. pseudorupestris var. crumiana), narrowly to broadly
  22 KB (1,357 words) - 14:09, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Ecliptinae
  fertile, sometimes styliferous and sterile, or neuter; corollas usually yellow to orange, sometimes pink to purple, red, brown, or white (sometimes sessile
  21 KB (800 words) - 22:59, 29 July 2020
• Sematophyllaceae
  on page 520, 535, 575. Plants in small to large mats, usually golden to yellow-green, glossy or dull. Stems reddish green or sometimes redbrown, reclining
  8 KB (252 words) - 07:53, 30 July 2020
• Schistidium
  green, brown, or black, often with yellow, orange, or red tones. Leaves ovatelanceolate, occasionally ovate-triangular, less commonly lanceolate to linear-lanceolate
  22 KB (1,082 words) - 06:48, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
  neuter, or styliferous and sterile; corollas usually yellow to orange (sometimes bicolored: yellow to orange with brown, redbrown, or purple), sometimes
  12 KB (744 words) - 23:22, 29 July 2020
• Muhlenbergia
  than or equal to the lemmas, 2-veined; anthers (1-2) 3, purple, orange, yellow, or olivaceous. Caryopses elongate, fusiform or elliptic, slightly dorsally
  42 KB (1,621 words) - 04:38, 30 July 2020
• Delphinium subsect. Subscaposa
  pyramidal, seldom less than 4 times longer than wide, spurs rarely intersecting rachis; pedicel spreading to ascending, usually less than 2 cm, rachis
  8 KB (562 words) - 08:23, 30 July 2020
• Eleocharis subg. Eleocharis
  angles; widespread. Eleocharis baldwinii 59 Floral scales 2.5 mm or less; anthers less than 1 mm; basal spikelets absent, or if present, pistillate; tubercles
  37 KB (456 words) - 02:15, 30 July 2020
• Salix subg. Chamaetia
  obovate, 0.8–5.5 times as long as wide, angle of base and of apex usually less than or greater than 90o, (abaxial surface usually glaucous), surface hairs
  22 KB (876 words) - 12:17, 30 July 2020
• Sphagnum sect. Cuspidata
  terrestrial forms, usually with distinct capitulum; green, whitish, pale, yellow-green to light brownish, rarely dark-colored. Stems green, brown, dark-brown
  17 KB (673 words) - 06:50, 30 July 2020
• Liliaceae
  perianth actinomorphic or zygomorphic, often very showy; tepals 6, distinct or less often connate proximally forming tube that may also bear a corona, usually
  29 KB (1,493 words) - 05:37, 30 July 2020
• Penstemon
  corolla ± white, pink, red, blue, purple, lilac, violet, or crimson, rarely yellow or orange, bilaterally symmetric, rarely nearly radially symmetric, ± bilabiate
  20 KB (1,850 words) - 19:05, 29 July 2020
• Sisyrinchium
  bluish violet to light blue, white, lavender to pink, magenta, purple, or yellow, not clawed, subequal; stamens symmetrically arranged; filaments distinct
  23 KB (1,162 words) - 06:04, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
  pistillate and fertile, or styliferous and sterile, or neuter; corollas mostly yellow to orange, sometimes wholly or partly purple, redbrown, or reddish. Disc-florets
  13 KB (688 words) - 22:34, 29 July 2020
• Ditrichum
  leaves usually with a longer and more or less sheathing base and shorter subulate than stem-leaves. Seta pale-yellow to dark reddish-brown, elongate, erect
  12 KB (487 words) - 06:59, 30 July 2020
• Opuntia
  tips sometimes paler or yellow. Glochids in adaxial crescent at margin of areole, in tuft or encircling areole margin, white to yellow to brown, or redbrown
  34 KB (1,067 words) - 09:16, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Madiinae
  Ray-florets 0, or 1–75+, pistillate, fertile; corollas usually yellow or whitish, sometimes proximally yellow and distally whitish, often marked with red or purple
  15 KB (799 words) - 23:36, 29 July 2020
• Persicaria
  accrescent or nonaccrescent; tepals 4–5, connate 1/4–2/3 their lengths (less than 1/5 their lengths in P. wallichii), petaloid, dimorphic, outer larger
  10 KB (671 words) - 10:11, 30 July 2020
• Argemone
  bright yellow to golden or bronze. Argemone aenea 2 Stamens 20–75, filaments yellow; flowers 3–7 cm broad; petals pale lemon yellow to bright yellow. > 3
  14 KB (554 words) - 08:36, 30 July 2020
• Sphagnum sect. Acutifolia
  occasionally monoicous. Capsule equal to or less than 2 mm, with few-to-many pseudostomata. Spores typically less than 30 µm, coarsely to finely papillose
  19 KB (686 words) - 07:06, 30 July 2020
• Anemone
  sepals not persistent in fruit, 4-20 (-27), white, purple, blue, green, yellow, pink, or red, plane, linear to oblong or ovate to obovate, 3.5-40 mm; petals
  19 KB (1,214 words) - 15:30, 15 December 2020
• Pellaea
  often intermixed with glands, farina-producing. Spores brown to tan (rarely yellow), tetrahedral-globose, rugose or cristate, lacking prominent equatorial-ridge
  15 KB (692 words) - 00:28, 30 July 2020
• Yucca
  fibers, corneous, apex mostly sharp-pointed. Scape, when present, usually less than 2.5 cm diam. Inflorescences erect or rarely pendent, paniculate or racemose
  17 KB (687 words) - 06:11, 30 July 2020
• Cirsium
  bristles or setiform scales. Florets 25–200+; corollas white to pink, red, yellow or purple, ± bilateral, tubes long, slender, distally bent, throats short
  60 KB (2,205 words) - 13:43, 10 February 2021
• Trillium
  typically 3, erect, spreading, or recurved, distinct, red, purple, pink, white, yellow, green, or combination of these, ovate or obovate to linear, sometimes clawed;
  30 KB (822 words) - 06:13, 30 July 2020
• Polygonum sect. Polygonum
  venation pinnate, secondary-veins conspicuous. Inflorescences usually axillary, less commonly axillary and terminal; cymes 1–7 (–10) -flowered. Pedicels erect
  13 KB (1,076 words) - 10:08, 30 July 2020
• Abutilon
  ribbed, lanceolate, ovate, cordate, or acuminate; corolla usually yellow or orange, less often pinkish, sometimes with dark red center; staminal column included
  12 KB (726 words) - 11:23, 30 July 2020
• Mentzelia sect. Trachyphytum
  orange to orange-yellow distally; styles (3–)3.5–6 mm. Mentzelia veatchiana 18 Petals orange proximally, yellow distally; styles usually less than 3.5 mm.
  16 KB (899 words) - 18:19, 29 July 2020
• Fritillaria
  brown, mottled greenish yellow, yellow, or white; small bulb scales 45–50. > 18 18 Flowers nodding; distal leaves slightly less than or equaling proximalmost
  13 KB (449 words) - 05:41, 30 July 2020
• Smilax
  bracts, loose to dense, pedunculate. Flowers unisexual; tepals 6, greenish, yellow, or bronze, ovate to elliptic; staminate flowers sometimes with pistillode
  14 KB (755 words) - 06:14, 30 July 2020
• Hypericaceae
  3–5 [–6], distinct, imbricate or contorted [decussate], orange, pink, or yellow, [white, red], sometimes green or red-tinged, [sometimes with adaxial scale]
  10 KB (558 words) - 11:15, 30 July 2020
• Quercus sect. Quercus
  mm deep, enclosing 1/3 nut or less. Quercus laceyi 34 Low rhizomatous shrubs less than 1m; most or all mature leaves less than 25 mm. Quercus depressipes
  27 KB (606 words) - 08:45, 30 July 2020
• Thelypteris
  round-reniform, large (ca. 1 mm diam.) and persistent or sometimes small (less than 0.3 mm diam.), occasionally ephemeral, sometimes absent; sporangial
  14 KB (584 words) - 00:28, 30 July 2020
• Physaria
  usually saccate basally, sometimes subsaccate or not saccate; petals usually yellow, sometimes orange (occasionally drying purplish or maroon), rarely white
  40 KB (1,647 words) - 11:54, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Pectidinae
  fimbrillate to laciniate). Ray-florets 0 or 1–21+, pistillate, fertile; corollas yellow to orange (sometimes with brown or mostly brown) or white to pink, magenta
  11 KB (674 words) - 23:30, 29 July 2020
• Tortella
  per perichaetium, yellow or reddish proximally with age, to 3 cm, erect, smooth. Capsule erect and symmetric or slightly inclined, yellow to reddish-brown
  21 KB (1,511 words) - 07:02, 30 July 2020
• Bidens
  sterile; corollas usually yellow, sometimes white or pinkish. Disc-florets (5–) 12–60 (–150+), bisexual, fertile; corollas usually yellow to orange, sometimes
  22 KB (1,036 words) - 23:27, 29 July 2020
• Brachytheciaceae
  (for example, exostome teeth papillose to base, endostome basal membrane less than 1/3 endostome height, cilia reduced or absent, etc.) in association
  28 KB (900 words) - 07:47, 30 July 2020
• Cactaceae subfam. Opuntioideae
  tuberlike. Stems segmented throughout or only in ultimate branches, succulent (less noticeably so in some Cylindropuntia), often woody, especially toward base
  9 KB (803 words) - 09:14, 30 July 2020
• Dicranum
  species of Dicranum. The leaf cross section characters are usually less variable and less influenced by the environment than other gametophytic characters
  26 KB (1,278 words) - 06:56, 30 July 2020
• Salix subg. Vetrix
  broadly obovate, 0.7–13.7 times as long as wide, angle of base and of apex less or greater than 90o, surface (usually not glaucous abaxially), hairs usually
  52 KB (888 words) - 11:54, 30 July 2020
• Carex sect. Phaestoglochin
  Perigynia yellow-green, becoming dark brown and glossy when mature, veinless or weakly 7(–11)-veined abaxially. Carex muricata 29 Perigynia yellow or yellow-brown
  15 KB (529 words) - 01:49, 30 July 2020
• Crataegus sect. Coccineae
  anthers pink to purple or white to cream. Pomes usually red, sometimes yellow, orange, or pink mauve, sometimes remaining green until late, or green-blotched
  28 KB (995 words) - 14:38, 30 July 2020
• Senecio
  1–8+; corollas usually yellow, sometimes ochroleucous or white). Disc-florets (5–) 13–80+, bisexual, fertile; corollas usually yellow, rarely ochroleucous
  30 KB (1,295 words) - 21:10, 29 July 2020
• Mentzelia sect. Bartonia
  light yellow. Mentzelia procera 52 Leaf blade widest intersinus distances 2.1–13.7(–14) mm, always some leaves 4+ mm; petals light to golden yellow. > 53
  20 KB (775 words) - 18:32, 29 July 2020
• Rudbeckia sect. Rudbeckia
  glabrous or hairy abaxially. Ray-florets 6–25+; corollas usually yellow-orange proximally, yellow distally, sometimes with basal maroon splotch (orangish red
  10 KB (649 words) - 22:36, 29 July 2020
• Lauraceae
  bisexual on some plants, pistillate and bisexual on others; flowers usually yellow to greenish or white, rarely reddish; hypanthium well developed, resembling
  10 KB (319 words) - 08:27, 30 July 2020
• Pediocactus
  or purple midstripes, pink or yellow margins, 9–25 × 3–9 mm, margins fringed, denticulate, or entire; inner tepals yellow, peach, pink, magenta, cream,
  14 KB (926 words) - 09:24, 30 July 2020
• Thymophylla
  pistillate, fertile; corollas usually yellow to orange, rarely white. Disc-florets 16–100+, bisexual, fertile; corollas yellow to orange, tubes shorter than ±
  11 KB (587 words) - 23:33, 29 July 2020
• Lindbergia
  more or less decurrent and concave; the seta is yellow-brown; the capsule is brownish and narrower at the mouth; the exostome teeth are yellow and connate
  8 KB (515 words) - 07:45, 30 July 2020
• Saxifraga
  sometimes ± purple; petals absent or (1–) 5, white, cream, yellow, orange, red, pink, or purple, often yellow, orange, or red-spotted; nectary disc present or not;
  21 KB (1,151 words) - 12:59, 30 July 2020
• Coryphantha
  entire or erose, axils naked, spineless; stigma lobes 4–13, white to yellow or orange-yellow (rarely pinkish), 0.5–8 mm. Fruits indehiscent, green or red, spheric
  25 KB (1,748 words) - 09:25, 30 July 2020
• Cypripedium
  (41–)53–65 mm, ivory to pale yellow. Cypripedium kentuckiense 9 Lip orifice usually less than 23 mm (rarely to 27 mm, then lip deep yellow); flowers smaller; lip
  10 KB (452 words) - 05:19, 30 July 2020
• Potentilla sect. Niveae
  distal. Flowers 5-merous; hypanthium (1.8–) 2.5–7 mm diam.; petals pale-yellow to yellow, ± obcordate, (3–) 4–10 (–15) mm, longer than sepals, apex retuse;
  21 KB (1,382 words) - 14:01, 30 July 2020
• Townsendia
  white, pink, bluish, or lavender (yellow in T. aprica). Disc-florets (16–) 30–100 (–200+), bisexual, fertile; corollas yellow (sometimes tinged with cyan),
  18 KB (845 words) - 15:31, 15 December 2020
• Camissonia
  with basal nectary; sepals 4, reflexed separately or in pairs; petals 4, yellow, fading red, often with red dots basally; stamens 8, in 2 unequal series
  14 KB (984 words) - 21:03, 7 June 2022
• Solidago
  pistillate, fertile; corollas yellow, rarely white (usually glabrous). Disc-florets 2–35 (–60), bisexual, fertile; corollas yellow, ± ampliate, tubes shorter
  18 KB (1,000 words) - 21:32, 29 July 2020
• Poaceae tribe Poeae
  plants strongly rhizomatous Ammophila 33 Spikelets 1.2-7 mm long; lemmas less than 3/4 as long as the glumes; plants rhizomatous or not. > 34 34 Sheaths
  45 KB (1,179 words) - 03:07, 30 July 2020
• Xyris
  wide, or as filiform if, at that level, they are less than 1 mm wide. Petal color is assumed to be yellow, although X. caroliniana and X. platylepis have
  16 KB (658 words) - 00:56, 30 July 2020
• Carex sect. Hymenochlaenae
  short-rhizomatous; shoots both vegetative and flowering. Culms usually maroon, or less often brown, tan, or pale green at base. Leaves: basal sheaths usually bladeless
  18 KB (940 words) - 02:10, 30 July 2020
• Dudleya cymosa
  Flowers: calyx 3–6 × 3–6 mm; petals connate 1–2.5 mm, pale or bright-yellow, mustard yellow, or red, 7–14 × 1.5–4.5 mm, apex mostly narrowly acute, tips often
  10 KB (763 words) - 13:01, 30 July 2020
• Ivesia
  ovate or deltate; petals 5 (usually 4 in I. campestris), golden to pale-yellow to white, sometimes pink-tinged (red in I. multifoliolata), linear or narrowly
  19 KB (1,253 words) - 14:03, 30 July 2020
• Delphinium subsect. Grumosa
  rachis at usually less than 70°; leaf lobes less often wedge-shaped, widest near midpoint. Delphinium patens 22 Cauline leaves 2 or fewer, less than 1/2 size
  13 KB (670 words) - 08:25, 30 July 2020
• Polygonaceae subfam. Polygonoideae
  articulation; perianth often accrescent in fruit, often greenish, white, pink, yellow, red, or purple, usually unwinged and unkeeled (winged or, sometimes, keeled
  17 KB (813 words) - 10:04, 30 July 2020
• Thalictrum
  radially symmetric; sepals not persistent in fruit, 4-10, whitish to greenish yellow or purplish, plane, lanceolate to reniform or spatulate, 1-18 mm; petals
  17 KB (836 words) - 08:34, 30 July 2020
• Orobanche
  vegetative structure; roots short, sometimes coralloid. Stems erect, white or yellow, rarely purple, fleshy, glabrous or puberulent, at least distally. Leaves
  22 KB (1,669 words) - 19:24, 29 July 2020
• Salix subg. Protitea
  distinct, sometimes connate less than 1/2 their lengths, usually hairy basally, sometimes on proximal 1/2; anthers yellow, usually globose. Pistillate
  15 KB (947 words) - 12:03, 30 July 2020
• Chylismia sect. Chylismia
  mm; petals usually bright-yellow, rarely white or cream, usually with red dots basally, or lavender to purple with white or yellow basally, sometimes with
  11 KB (951 words) - 21:04, 7 June 2022
• Polygala
  Flowers white, cream, green or greenish, pink, purple, reddish purple, blue, yellow, or orange, chasmogamous (some cleistogamous in P. crenata, P. lewtonii
  19 KB (903 words) - 21:03, 7 June 2022
• Ephemeraceae
  27. Treatment on page 646. Mentioned on page 653. Plants leafy ephemerals, less than 3 mm, solitary, scattered, or gregarious on sparse or abundant protonemata
  12 KB (582 words) - 07:14, 30 July 2020
• Clematis subg. Viorna
  beak white to pale yellow; hairs of achene rim spreading. Clematis coactilis 6 Sepals abaxially silky to woolly; beak white to pale yellow. Clematis albicoma
  13 KB (470 words) - 08:24, 30 July 2020
• Taraxacum
  20–150; corollas yellow, sometimes greenish, rarely cream or pale-pink [white], often purplish or gray-striped abaxially (anthers yellow or yellow-cream, sometimes
  28 KB (2,401 words) - 20:10, 29 July 2020
• Rhamnaceae
  cathartica have been used as laxatives. Old World species of Rhamnus provide yellow and green dyes as well as drugs. Wood of some species (in Alphitonia Reissek
  16 KB (532 words) - 18:17, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
  g., Chaenactis spp.) or (1–) 4–21 (–60+), pistillate, fertile; corollas yellow, orange, red, purplish, or whitish (persistent, marcescent in Arnica dealbata)
  17 KB (818 words) - 23:57, 29 July 2020
• Delphinium
  1 Lower petal blades less than 1/5 length of lateral sepals; sepals never red or yellow. Sect. Elatopsis 1 Lower petal blades more
  9 KB (574 words) - 08:34, 30 July 2020
• Potentilla sect. Concinnae
  strongly overlapping, narrowly oblanceolate or cuneate to obovate, margins flat, less than distal 1/5 to whole length evenly, sometimes unevenly, incised 1/4–3/4+
  13 KB (976 words) - 13:58, 30 July 2020
• Mentzelia
  basally, lanceolate to narrowly ovate, shorter than petals; petals white, yellow, or orange, sometimes red proximally, distinct or connate basally, spatulate
  16 KB (1,025 words) - 18:17, 29 July 2020
• Claytonia
  Petals white with yellow blotch at base Claytonia tuberosa 13 Petals white, pink, rose, magenta, cream, yellow, or yellow-orange, lacking yellow blotch at base
  16 KB (646 words) - 09:44, 30 July 2020
• Plagiomnium
  undulatum). Sexual condition synoicous or dioicous. Seta single or multiple, yellow, yellow-green, brown, sometimes reddish or greenish, rarely orange, dark red
  15 KB (750 words) - 07:41, 30 July 2020
• Nymphaea
  whorled, showy, white, pink, blue, or yellow, broadly lanceolate or ovate to obovate, grading into stamens; stamens yellow or cream-colored, inserted on lateral
  8 KB (500 words) - 08:37, 30 July 2020
• Allium
  subgenera and sections. Attempts to treat New World species similarly have gained less acceptance. H. P. Traub (1972) recognized subg. Amerallium, encompassing
  43 KB (1,553 words) - 05:48, 30 July 2020
• Allium canadense
  margins entire, apex obtuse to acute; stamens included; anthers yellow; pollen yellow; ovary, when present, crestless; style linear, ± equaling stamens;
  8 KB (568 words) - 05:48, 30 July 2020
• Collinsia
  specimen. The ruptured glands will cause a stain that is initially iron yellow-orange and later becomes purplish. Baldwin, B. G., S. Kalisz, and W. S.
  16 KB (737 words) - 19:04, 29 July 2020
• Bulbostylis
  linear or filiform, coarsely ribbed, usually longer than sheaths, 1 mm wide or less, mostly strongly involute, margins variably scabridciliate. Inflorescences
  10 KB (485 words) - 01:32, 30 July 2020
• Euphorbia sect. Anisophyllum
  with pubescence concentrated along keels or toward base, often glabrous or less hairy between keels. Euphorbia laredana 20 Capsules ± evenly hairy or pubescence
  36 KB (819 words) - 18:21, 29 July 2020
• Ptychostomum
  178, 659. Plants small to very large, in dense or open turfs, red, pink, yellow-green, or brown-green. Stems 0.5–4 (–12) cm, tufted, comose or evenly foliate
  12 KB (810 words) - 07:37, 30 July 2020
• Veronica
  to capitate. Fruits capsules, dehiscence loculicidal. Seeds (1–) 4–140, yellow to brown, rarely blackish (V. triphyllos), planoconvex to urn-shaped, wings
  20 KB (967 words) - 19:23, 29 July 2020
• Piperia
  Inflorescences many-flowered racemes or spicate racemes. Flowers resupinate, white, yellow-green to green, nearly sessile; sepals 1–3-veined; lateral sepals similar
  11 KB (532 words) - 05:26, 30 July 2020
• Grimmiaceae subfam. Grimmioideae
  rest of the lamina (except Grimmia leibergii and G. attenuata which are yellow or orange). All Racomitrioideae have a straight or slightly arcuate seta
  11 KB (588 words) - 06:48, 30 July 2020
• Codriophorus
  large, mostly stiff and rigid, rarely pliant, robust to gracile, in green, yellow, olive, gray-green, brown to blackish mats. Stems creeping to ascending
  11 KB (701 words) - 06:52, 30 July 2020
• Atriplex gardneri
  dioecious or monoecious, 1–10 dm, unarmed. Stems prostrate to ascending, or less commonly erect. Leaves ± persistent, alternate or opposite to subopposite
  9 KB (797 words) - 09:37, 30 July 2020
• Grimmia
  mitrate or cucullate, not erose, small to medium, usually covering 1/2 or less of capsule, sometimes just covering operculum, smooth. North America, Mexico
  25 KB (759 words) - 06:48, 30 July 2020
• Papaver radicatum
  decumbent, less than 15 cm, sparsely to densely hispid. Flowers to 6.5 cm diam.; petals yellow or white, rarely pink tinged, or brick-red; anthers yellow; stigmas
  6 KB (439 words) - 15:26, 15 December 2020
• Maxillaria parviflora
  several, at base of mature shoots, less than 1 cm. Flowers white to light yellow [purplish in Jamaican populations] with yellow-orange lip; sepals ovate, 6–7
  7 KB (613 words) - 05:32, 30 July 2020
• Ptychostomum subg. Ptychostomum
  Spores 10–40 µm, finely papillose (sometimes smooth in P. cyclophyllum), yellow, green, or brown. North America, South America, Eurasia, Africa, Pacific
  11 KB (764 words) - 07:38, 30 July 2020
• Epilobium
  petals, lanceolate; petals 4, usually rose-purple to white, rarely cream-yellow or orange-red, usually obcordate or broadly obovate, emarginate; stamens
  32 KB (1,609 words) - 21:02, 7 June 2022
• Erpodiaceae
  shortly exserted, erect, radially symmetric, oblong or ovoid-cylindric, pale-yellow to yellowbrown; exothecial cells thin-walled, oblong to oblong-hexagonal
  12 KB (484 words) - 07:00, 30 July 2020
• Epilobium sect. Epilobium
  scales inside; petals usually rose-purple to pink or white, very rarely cream-yellow (E. luteum); pollen in tetrads; stigma entire or 4-lobed. Capsules narrowly
  10 KB (1,502 words) - 21:02, 7 June 2022
• Corallorhiza
  basal auricles; anther incumbent, operculate; pollinia 4, superimposed, yellow, unequal; rostellum triangular; stipe narrowly triangular; ovary narrowly
  9 KB (511 words) - 05:31, 30 July 2020
• Portulaca
  leaves usually shorter than 15 mm; capsules 3.5 mm or less diam. Portulaca smallii 8 Capsules 2 mm or less diam.; lateral seed coat with densely arranged, flattened
  12 KB (398 words) - 09:12, 30 July 2020
• Tortula
  occasionally serrulate near apex, margins occasionally with 1–4 cell rows often less papillose and smaller, walls thicker; apex broadly acute to rounded, lamina
  26 KB (1,447 words) - 07:08, 30 July 2020
• Pohlia
  short-rostrate; peristome double [rarely absent], 4: 2:4–6 (–8); exostome white, pale-yellow to brown, or sometimes dark reddish-brown, teeth triangular to lanceolate
  17 KB (677 words) - 07:39, 30 July 2020
• Funariaceae
  Plants minute to medium-sized, gregarious to forming open tufts, light to yellow-green, annual to biennial. Stems short, erect, simple or with a few branches
  12 KB (464 words) - 06:47, 30 July 2020
• Ericameria
  epaleate. Ray-florets 0, or 1–18, pistillate, fertile; corollas usually yellow (white in E. gilmanii and E. resinosa), (laminae elliptic to oblong, apices
  23 KB (1,156 words) - 22:11, 29 July 2020
• Ludwigia
  caducous, usually (3 or) 4 or 5 (–7), sometimes 0, usually yellow, sometimes white, when yellow, then often ultraviolet-reflecting, margins entire; sta­mens
  30 KB (1,654 words) - 21:01, 7 June 2022
• Agave americana
  long-exserted; filaments inserted above mid perianth-tube, erect, yellow, 6–9 cm; anthers yellow, 25–35 mm; ovary 3–4.5 cm, neck constricted, 3–6 (–8) mm. Capsules
  8 KB (650 words) - 06:13, 30 July 2020
• Pedicularis
  triangular, spatulate, or filiform; petals 5, corolla pink, purple, red, yellow, or white, strongly bilabiate, cylindric to funnelform, abaxial lobes 3
  19 KB (1,040 words) - 19:27, 29 July 2020
• Synthyris
  bilaterally symmetric, campanulate, lobes ovate to lanceolate; corolla white, yellow, green, pink, reddish, lavender, or blue to bluish purple, bilaterally symmetric
  15 KB (823 words) - 19:22, 29 July 2020
• Ptychostomum subg. Cladodium
  cell lumina; limbidium distinct to indistinct, narrow, pale to green or yellow, 1-stratose throughout; subalar cells inflated, pink, on gametoecial and
  12 KB (762 words) - 07:37, 30 July 2020
• Carex viridula
  Perigynia spreading, yellow to dark olive, 1.8–4.2 × 0.8–2 mm, apex gradually or abruptly narrowed; beak straight or reflexed less than 20°, 0.3–2.1 mm
  8 KB (697 words) - 02:18, 30 July 2020
• Lessingia
  Markos Etymology: For C. F. Lessing, 1809–1862, German-born botanist, his nephew K. F. Lessing, and grandfather G. E. Lessing Treatment appears in FNA Volume
  12 KB (729 words) - 20:57, 29 July 2020
• Primula
  reticulate, rough-hairy, thin, and becoming membranous, yellow corollas with notched lobes, often yellow, ovate capsules, and minutely vesiculate seeds lacking
  25 KB (2,084 words) - 13:06, 30 July 2020
• Lasthenia
  glabrous or hairy, epaleate. Ray-florets 4–16, pistillate, fertile; corollas yellow to orangish (sometimes white in L. debilis, often somewhat darker proximally
  11 KB (916 words) - 23:52, 29 July 2020
• Ceratodon
  convolute-sheathing, abruptly subulate to gradually acuminate. Seta red, purplish, yellow, or yellow-orange, elongate, twisted when dry, erect. Capsule erect to inclined
  10 KB (644 words) - 06:59, 30 July 2020
• Clematis subg. Clematis
  staminate and pistillate on different plants, not nodding, or ± nodding in yellow-flowered species; perianth rotate; sepals spreading, not connivent, linear
  8 KB (418 words) - 08:38, 30 July 2020
• Sarraceniaceae
  into hollow tubes; stipules absent; petiole clasping, dilated; blade green, yellow-green, reddish, or purplish, often distinctly red, pink, or green, purple-veined
  10 KB (491 words) - 13:09, 30 July 2020
• Erythronium grandiflorum
  filaments white, ± slender, linear, less than 0.8 mm wide; anthers cream, yellow, red, or purplish red; pollen yellow or red; style white, 10–15 mm; stigma
  6 KB (570 words) - 05:39, 30 July 2020
• Corallorhiza striata
  pure yellow, lanceolate to oblanceolate, 3–5-veined; lip obovate, unlobed, 3.2–16.5 × 2–6.2 mm, thickened, margins deep red with white or yellow at base
  6 KB (526 words) - 05:31, 30 July 2020
• Hypoxis
  bracteate. Flowers: tepals 6, spreading, distinct, often greenish abaxially, yellow adaxially, outer usually ± pilose abaxially; anthers 6, spreading, shortly
  8 KB (426 words) - 05:45, 30 July 2020
• Antennaria
  corollas white, yellow, or red, narrowly funnelform or tubular (lobes usually 5, erect to recurved); pistillate corollas white, yellow, or red, narrowly
  38 KB (2,648 words) - 20:30, 29 July 2020
• Eucephalus
  purple, pink, or white. Disc-florets 10–35, bisexual, fertile; corollas yellow, ± ampliate, tubes shorter than funnelform throats, lobes 5, erect or reflexed
  12 KB (637 words) - 21:48, 29 July 2020
• Dichanthelium dichotomum
  (occasionally) ascending, yellow-green to purplish, usually glabrous on both surfaces or (at least the lower blades) more or less densely and softly pubescent
  12 KB (1,221 words) - 04:02, 30 July 2020
• Mammillaria
  inner tepals yellow, white, rose-pink, magenta, or maroon, 4–30 × 1.5–8.5 mm; ovary lacking scales and spines; stigma lobes cream, yellow, red, pink, or
  18 KB (1,104 words) - 09:27, 30 July 2020
• Potentilla sect. Leucophyllae
  cuneate, margins flat, distal 1/4 to whole length, rarely less, usually ± evenly incised 1/4–1/2 or less to midvein, sometimes entire, teeth (0–) 2–18 per side
  14 KB (983 words) - 13:57, 30 July 2020
• Thymophylla tenuiloba
  subulate bractlets, lengths less than 1/2 phyllaries. Involucres obconic, 5–7 mm. Phyllaries 12–22, margins of outer distinct less than 1/5 their lengths,
  6 KB (600 words) - 23:34, 29 July 2020
• Nelumbo lutea
  Flowers: tepals pale-yellow, 1-13 cm, outermost 1-5 normally persistent; anthers 1-2 cm. Fruits somewhat globose, 10-16 × 8-13 mm, mostly less than 1.25 times
  5 KB (560 words) - 08:35, 30 July 2020
• Cryptogramma
  segments of sterile leaves ovate, elliptic, obovate, or fan-shaped, usually less than 4 mm wide, margins plane, dentate or shallowly to deeply cut; fertile
  9 KB (424 words) - 00:31, 30 July 2020
• Polystachya concreta
  (Jacquin) Garay & H. R. Sweet in R. A. Howard, Fl. Less. Antill. 1: 178. 1974. James D. Ackerman Common names: Yellow spike orchid Illustrated Basionym: Epidendrum
  8 KB (725 words) - 05:29, 30 July 2020
• Carex sect. Limosae
  Volume 23. Plants loosely cespitose, short-rhizomatous; roots with dense yellow tomentum. Culms red or purple-brown at base. Leaves: basal sheaths fibrous;
  8 KB (476 words) - 02:04, 30 July 2020
• Penstemon sect. Penstemon
  glandular-ciliolate; corolla white, ochroleucous, pink, lavender, blue, violet, purple, or yellow, bilaterally symmetric, bilabiate or strongly bilabiate, rarely weakly bilabiate
  36 KB (1,140 words) - 19:13, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Flaveriinae
  0, or 1–6, pistillate, fertile; corollas yellow. Disc-florets 1–60 [–100+], bisexual, fertile; corollas yellow, tubes shorter than or about equaling the
  7 KB (473 words) - 23:35, 29 July 2020
• Ophioglossum
  Treatment appears in FNA Volume 2. Plants terrestrial. Roots unbranched, whitish yellow to black, 0.1-1.5 mm diam., smooth, commonly proliferous and forming clones
  9 KB (450 words) - 00:29, 30 July 2020
• Hexalectris spicata
  falcate; lip ovate to obovate, clawed, shallowly 3-lobed, fissure between lobes less than 2 mm deep, middle lobe ovate to suborbiculate, margins undulate, apically
  6 KB (526 words) - 05:28, 30 July 2020
• Setaria
  terete bristles (sterile branchlets). Lower glumes membranous, not saccate, less than 1/2 as long as the spikelets, 1-7-veined; upper glumes membranous to
  17 KB (1,129 words) - 04:14, 30 July 2020
• Juncus subg. Graminifolii
  pale yellow-green until seeds ripen; seeds 0.3–0.4 mm Juncus luciensis 9 Tepals turning inward to enwrap shorter capsule at maturity, mostly less than
  9 KB (398 words) - 00:55, 30 July 2020
• Thymophylla pentachaeta
  Ray-florets (8–) 12–21; corollas yellow to orange-yellow, laminae 2–6 (–8) × 1–3 mm. Disc-florets 16–40 or 50–80; corollas yellow, 2–4 mm (tending to zygomorphy
  8 KB (597 words) - 23:34, 29 July 2020
• Crataegus (sect. Coccineae) ser. Lacrimatae
  quaesita; stamens 20, anthers white to cream; styles (2 or) 3–5. Pomes yellow to orange and copper to red (1 face often colored most brightly), usually
  22 KB (1,233 words) - 13:46, 30 July 2020
• Abies
  ovate or oblong-cylindric, leaving gall-like protuberances after falling, yellow to red, green, blue, or purple. Seed-cones maturing in 1 season, erect,
  16 KB (1,110 words) - 00:33, 30 July 2020
• Mnium
  pendent, yellow, yellow-brown, or brown, oblong-cylindric, 2–7 mm; operculum conic-mammillate or conic-rostrate; exostome brown, greenish yellow, yellowish-brown
  13 KB (645 words) - 07:41, 30 July 2020
• Adiantum
  rock. Stems short to long-creeping or suberect, branched; scales deep tawny yellow to dark reddish-brown [black], concolored or bicolored, linear-lanceolate
  11 KB (615 words) - 00:28, 30 July 2020
• Lilium
  sometimes indistinctly so, recurved or reflexed, distinct, orange, red, yellow, pink, or white, usually with adaxial magenta or maroon spots concentrated
  37 KB (2,628 words) - 05:42, 30 July 2020
• Dudleya subg. Stylophyllum
  or bifurcate; cincinni not or scarcely circinate. Pedicels erect, mostly less than 3 mm. Flowers: petals ascending, outcurved, or spreading from near middle
  6 KB (516 words) - 12:54, 30 July 2020
• Crataegus (sect. Coccineae) ser. Crus-galli
  or red; styles 1–5. Pomes rose to deep red, sometimes orange-red, rarely yellow, suborbicular to ± oblong, (7–) 8–15 mm diam., glabrous or pubescent; flesh
  13 KB (1,053 words) - 14:38, 30 July 2020
• Zephyranthes
  shorter the filaments in relative length. The longer the perianth tube, the less the stamens diverge, to the point of fasciculation. The timing of the opening
  12 KB (861 words) - 05:58, 30 July 2020
• Limonium
  connate and calyx mouth erose; petals nearly distinct, white, lavender, or yellow, long-clawed; filaments adnate to base of corolla; anthers included; styles
  11 KB (727 words) - 10:13, 30 July 2020
• Heteranthera dubia
  growing to surface, or emersed and contracted, procumbent. Flowering-stems less than 5 mm, no visible distal internode. Sessile leaves alternate or appearing
  10 KB (995 words) - 06:08, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Melampodiinae
  3–20+, pistillate, fertile; corollas yellow, orange, or white. Disc-florets 3–150+, functionally staminate; corollas yellow, orange, or whitish, tubes shorter
  8 KB (555 words) - 23:33, 29 July 2020
• Ulmus
  Elm orme Etymology: Latin ulmus, elm Treatment appears in FNA Volume 3. Trees, less often shrubs, to 35 m; crowns variable. Bark gray, brown, or olive to reddish
  9 KB (681 words) - 08:23, 30 July 2020
• Rosulabryum
  differentiated; operculum short-conic to umbonate; peristome double; exostome yellow, teeth lanceolate to narrowly lanceolate; endostome well developed, not
  16 KB (845 words) - 07:38, 30 July 2020
• Eurybia
  (green zones ± basally truncate), in distal 1/3–3/4 of phyllary (outer) to less than 1/6 and only along midnerves (inner), apices obtuse to acute, faces
  20 KB (1,017 words) - 22:19, 29 July 2020
• Euphorbia deltoidea
  mm diam.. Stems prostrate, ascending, or erect, often numerous and wiry, less than 0.1 mm diam., 5–20 cm, glabrous, puberulent, canescent, villous, or
  10 KB (665 words) - 18:26, 29 July 2020
• Celastraceae
  2004, 2004b). Placement of Parnassiaceae (Lepuropetalon and Parnassia) is less certain. The group has long been associated with Saxifragaceae (such as by
  13 KB (513 words) - 18:16, 29 July 2020
• Dudleya
  tube or spreading from near middle, connate basally or to middle, white, yellow, orange, or red; nectary disc truncate, wider than tall; stamens 10; filaments
  13 KB (1,202 words) - 13:01, 30 July 2020
• Fissidens
  branches. Seta 1–2 [rarely more], smooth [papillose], straight or flexuous, yellow when young, darkening with age, or reddish. Capsule usually exserted, theca
  33 KB (1,761 words) - 06:53, 30 July 2020
• Pseudoditrichaceae
  longer on distal costa. Sexual condition dioicous; male plants smaller, leaves less secund than females; perigonial and perichaetial leaves scarcely differentiated
  6 KB (238 words) - 07:39, 30 July 2020
• Magnolia
  9-15, petaloid, usually spreading, creamy white, rarely greenish, yellow, or orange-yellow, outermost tepals sepaloid, sometimes strongly reflexed, greenish;
  9 KB (426 words) - 08:23, 30 July 2020
• Agalinis
  pale-pink to rose-purple or purple, rarely white, throats usually with 2 abaxial yellow lines and red spots within, bilabiate, funnelform to campanulate, abaxial
  23 KB (952 words) - 19:30, 29 July 2020
• Herrickia
  truncate, usually in distal 1/5–9/10, rarely wholly foliaceous (outer) to less than 1/6 and only along midveins (inner); (apices acute to long-acuminate)
  10 KB (687 words) - 22:18, 29 July 2020
• Eriogonum corymbosum
  mm. Flowers (1.5–) 2–3.5 mm; perianth white to cream, pink, or pale-yellow to yellow, glabrous or rarely sparsely pilose; tepals connate proximal 1/4–1/3
  15 KB (1,306 words) - 10:30, 30 July 2020
• Rorippa
  teres Scopoli Fl. Carniol., 520. 1760. Ihsan A. Al-Shehbaz Common names: Yellow-cress Etymology: Saxon rorippen, name cited by Euricius Cordus, 1515–1544
  22 KB (1,325 words) - 12:26, 30 July 2020
• Canna
  sessile, subtended by pedicel bract; sepals usually green [magenta], often less than half size of petals; petals sharply reflexed or not, green or brightly
  9 KB (865 words) - 01:00, 30 July 2020
• Iridaceae
  plane; rootstock a rhizome or indistinct. > 12 9 Tepals unequal, inner whorl less than 1/2 outer. Herbertia 9 Tepals subequal or inner whorl only slightly
  15 KB (556 words) - 06:04, 30 July 2020
• Ephedra
  ellipsoid to ovoid, obovoid, or nearly globose. Seeds ellipsoid to globose, yellow to dark-brown, smooth to scabrous or furrowed. x = 7. Generally dry areas
  8 KB (560 words) - 00:28, 30 July 2020
• Castilleja densiflora var. obispoënsis
  pink; abaxial lip proximally creamy white or yellow-green (becoming light pink with age), distally yellow (becoming orange with age), with small purple
  5 KB (700 words) - 18:52, 29 July 2020
• Astrophytum
  funnelform, 4.5–5.4 [–8] × 3.8–5.2 [–6] cm; inner tepals yellow, proximally red [all yellow], 25 × 6–10 [–12] mm, margins entire; ovary sparsely to densely
  8 KB (738 words) - 09:22, 30 July 2020
• Digitaria
  Digitaria californica 17 Upper lemmas pale yellow, tan, or gray, sometimes purple-tinged, when immature; gray, yellow, tan, light brown, or purple at maturity;
  23 KB (1,318 words) - 03:56, 30 July 2020
• Dichodontium
  383, 384, 585. Plants forming mats, cushions, or loosely caespitose, dull yellow or green to dark green. Stems 1–5 (–8) cm, erect, simple or sparingly branched;
  15 KB (1,140 words) - 06:56, 30 July 2020
• Ribes aureum
  hypanthium yellow to yellowish green, narrowly tubular, 6–20 mm, glabrous; sepals not overlapping, spreading, usually not reflexed, golden yellow, oblongelliptic
  11 KB (723 words) - 12:55, 30 July 2020
• Cistanthe rosea
  2–3 mm, margins scarious; petals 2, white, 1 mm or less; stamen 1, opposite proximal sepal, anther yellow; style absent; stigmas 2; pedicel 1–3 mm. Capsules
  5 KB (327 words) - 09:43, 30 July 2020
• Cirsium eatonii
  or short-pedunculate and crowded in subcapitate, spiciform, or racemiform (less commonly in openly branched) arrays. Peduncles 0–14+ cm. Involucres green
  12 KB (937 words) - 19:58, 29 July 2020
• Salix subg. Longifoliae
  absent; stamens 2; filaments distinct, hairy; anthers usually yellow, sometimes reddish turning yellow. Pistillate flowers: abaxial nectary sometimes present;
  20 KB (1,565 words) - 12:13, 30 July 2020
• Panicum philadelphicum
  Treatment on page 459. Plants annual; hirsute, hairs papillose-based, usually yellow-green to green, sometimes purplish. Culms 8-100 cm tall, about 1 mm thick
  10 KB (1,265 words) - 04:06, 30 July 2020
• Cotoneaster
  oblong, [3–] 4–14 [–15] mm, often hairy distally; fleshy, flesh usually yellow, sclereids absent; hypanthium persistent; sepals mostly persistent, erect
  31 KB (1,652 words) - 14:31, 30 July 2020
• Pseudocalliergon
  branched, smooth; axillary hairs well developed, many, distal cells 1–2 (–3), yellow or brownish when young. Stem-leaves imbricate, erectopatent, patent, or
  10 KB (668 words) - 07:43, 30 July 2020
• Phyllodoce
  serrulate, or glandular-serrulate, (appearing revolute, abaxial surface less than 1/3 visible). Inflorescences terminal, umbellate, corymbiform, or spikelike
  7 KB (391 words) - 13:17, 30 July 2020
• Isoëtes butleri
  gray-green or yellow green, pale toward base, spirally arranged, to 15 (–30) cm, pliant, tapering gradually to tip. Velum covering less than 1/4 of sporangium
  4 KB (346 words) - 00:31, 30 July 2020
• Chylismia brevipes
  minute, apical free tips less than 1 mm; floral-tube 3–8 mm, densely short-villous inside proximally; sepals 5–9 mm; petals bright-yellow, sometimes with red
  7 KB (661 words) - 21:04, 7 June 2022
• Dicentra
  absent or minute (less than 1 mm diam.); nectariferous tissue not forming spur. > 8 7 Bulblets globose, yellow; nectariferous spur 1 mm or less. Dicentra canadensis
  10 KB (655 words) - 08:28, 30 July 2020
• Eriogonum brevicaule
  elliptic, (0.2–) 1–10 (–12) × 0.1–0.9 (–1.2) cm, densely tomentose abaxially, less so to floccoseadaxially, margins plane or revolute, sometimes crenulate.
  15 KB (1,197 words) - 10:31, 30 July 2020
• Harrisia
  stigma lobes 8–15, yellow-green to white, 6–9 mm. Fruits indehiscent or splitting irregularly from apex toward base, green to yellow, red, or orange-red
  11 KB (910 words) - 09:19, 30 July 2020
• Keckiella
  oblanceolate; corolla red, reddish orange, pink, white, cream, yellow, brownish yellow, or purplish brown, sometimes with red-purple nectar guides, bilaterally
  13 KB (1,011 words) - 19:04, 29 July 2020
• Momordica charantia subsp. charantia
  pistillate peduncles ebracteate. Petals bright-yellow, obovate to oblong-obovate, 7–25 mm. Fruits red or orange to yellow-orange, cylindric or ellipsoidal to oblong-fusiform
  6 KB (555 words) - 11:28, 30 July 2020
• Nuphar
  spreading, nearly globose at anthesis; sepals 5-9 (-12), outwardly yellow to green, becoming yellow within, often red-tinged, oblong or obovate to somewhat orbiculate;
  9 KB (602 words) - 08:47, 30 July 2020
• Allium bolanderi
  involute at tip and appearing acuminate; stamens included; anthers yellow; pollen yellow; ovary crested; processes 3, central, 2-lobed, minute, margins entire;
  9 KB (601 words) - 05:52, 30 July 2020
• Microseris douglasii
  corollas yellow or white, equaling or surpassing phyllaries by 1–3 mm. Cypselae columnar or obconic, 3–10 mm; pappi of (0–) 1–5, white to yellow, brown,
  7 KB (621 words) - 20:24, 29 July 2020
• Petradoria
  Ray-florets 1–3, pistillate, fertile; corollas yellow. Disc-florets (1–) 2–4 (–5), functionally staminate; corollas yellow, tubes shorter than tubular to slightly
  9 KB (701 words) - 21:44, 29 July 2020
• Chylismia scapoidea
  subapical free tips less than 1 mm; floral-tube 1–4 mm, sparsely villous or glabrous inside; sepals 1.2–5 mm; petals bright-yellow, often with red dots
  8 KB (704 words) - 21:04, 7 June 2022
• Allium geyeri
  obscurely toothed, apex obtuse to acuminate; stamens included; anthers yellow; pollen yellow; ovary when present, inconspicuously crested; processes 6, central
  9 KB (572 words) - 05:48, 30 July 2020
• Eriogonum ovalifolium
  rounded, 0.2–6 × (0.1–) 0.2–1.5 cm, lanate to tomentose or floccose, sometimes less so adaxially, margins plane, occasionally brownish. Inflorescences capitate
  13 KB (1,117 words) - 10:39, 30 July 2020
• Oxalis
  proximal or distal), or homostylous (all anthers at level of stigmas); petals yellow, white, pink, salmon, red, lavender, purple, or violet; stamens: filaments
  23 KB (1,013 words) - 18:29, 29 July 2020
• Argemone munita
  to midrib, lobe apices usually distinctly rounded, marginal teeth usually less than 1 mm; distal usually definitely clasping. Inflorescences: buds oblong
  7 KB (465 words) - 08:21, 30 July 2020
• Zephyranthes pulchella
  erect; perianth cadmium yellow, funnelform, (1.9–) 2.2–4 (–6) cm; perianth-tube green, (0.2–) 0.5–0.9 (–1) cm, increasing in diam., less than 1/4 perianth length
  5 KB (455 words) - 05:59, 30 July 2020
• Agave americana subsp. americana
  Treatment appears in FNA Volume 26. Plants acaulescent or short-stemmed, trunks less than 2 m; rosettes open or dense. Leaves erect, ascending, or frequently
  5 KB (544 words) - 06:13, 30 July 2020
• Juniperus occidentalis
  cross-section, ca. 2/3 or less as wide as length of scalelike leaves. Leaves green, abaxial glands ovate to elliptic, conspicuous, with yellow or white exudate
  5 KB (449 words) - 00:29, 30 July 2020
• Hordeum murinum
  to 2 mm wide, more or less smooth, awned, awns 20-40 mm; lodicules glabrous or with 1+ cilia; anthers 0.2-3.2 mm, gray to yellow, sometimes with purple
  9 KB (902 words) - 02:56, 30 July 2020
• Delphinium subsect. Exaltata
  in some), spurs rarely intersecting rachis; pedicel ± spreading, usually less than 2 cm; rachis to midpedicel angle more than 30°; bracts ± similar to
  9 KB (653 words) - 08:27, 30 July 2020
• Potentilla sect. Multijugae
  much longer than distal. Flowers 5-merous; hypanthium 2–6 mm diam.; petals yellow, narrowly to broadly obcordate, (3.5–) 4–10 (–12) mm, equal to or longer
  18 KB (1,094 words) - 13:58, 30 July 2020
• Eriogonum microthecum
  sometimes linear to obovate, 0.3–3.5 × (0.07–) 0.1–1.2 cm, tomentose abaxially, less so or glabrous adaxially, margins occasionally revolute. Inflorescences cymose
  15 KB (1,118 words) - 10:29, 30 July 2020
• Delphinium patens
  round to pentagonal, 1-5.5 × 2-7.5 cm, nearly glabrous; ultimate lobes 3-9, less often wedge-shaped, 5 or more extending more than 3/5 distance to petiole
  8 KB (627 words) - 08:39, 30 July 2020
• Zigadenus
  often connate basally, each bearing 1 or 2, sometimes obscure to absent, yellow to green, adaxially basal nectary glands; stamens 6, anthers versatile,
  13 KB (735 words) - 06:04, 30 July 2020
• Braunia
  walls ± thin to thick, not to moderately porose, region more deeply yellow to yellow-orange at insertion in 1 or 2 rows, rarely to 1/5 leaf length; medial
  10 KB (845 words) - 07:33, 30 July 2020
• Commelina diffusa
  staminodes 2–3; antherodes yellow, medial often absent or vestigial, cruciform. Capsules 3-locular, 2-valved, 4–6.3 mm. Seeds 5 (or less through abortion), brown
  7 KB (428 words) - 00:57, 30 July 2020
• Nymphaea odorata
  petals (14-) 17-43, white, rarely pink; stamens 35-120, yellow, connective appendage projecting less than 1 (-2) mm beyond anther; filaments widest below
  9 KB (799 words) - 08:38, 30 July 2020
• Lewisia cotyledon
  pink-purple with pale and darker stripes, less often white, cream with pink-orange stripes, ± orange, or yellow, oblanceolate, obovate, or spatulate, (8–)
  7 KB (476 words) - 09:45, 30 July 2020
• Crambe
  [lyrate-pinnatipartite, pinnatisect, less frequently undivided]; cauline blade margins sinuate-dentate to lobed, less divided than basal. Racemes (corymbose
  8 KB (606 words) - 12:21, 30 July 2020
• Ampelaster
  raised, especially proximally, ± translucent yellowbrown to golden brown, less prominent distally; ± flat), outer linear-lanceolate to spatulate, inner
  8 KB (550 words) - 20:59, 29 July 2020
• Crataegus (sect. Coccineae) ser. Rotundifoliae
  second group, around C. margarettae and C. dodgei, are less glandular and often have more or less obtuse-tipped leaves, finer and often fewer thorns, larger
  20 KB (1,294 words) - 13:44, 30 July 2020
• Cynodontium
  perichaetial bracts similar to vegetative leaves or larger. Seta 2–15 mm, smooth, yellow, tending to reddish-brown with age, occasionally curved-cygneous when wet
  21 KB (1,496 words) - 06:56, 30 July 2020
• Symphyotrichum
  Conyzopsis). Disc-florets (7–) 15–50 (–110), bisexual, fertile; corollas yellow to white, becoming purplish to reddish or pinkish at maturity, ± ampliate
  62 KB (1,546 words) - 15:28, 15 December 2020
• Rubus
  to strongly coherent, separating with or without torus attached, golden yellow to red or black, globose to hemispheric or cylindric, 5–20 mm, fleshy or
  35 KB (2,155 words) - 15:31, 15 December 2020
• Penstemon attenuatus
  corolla light blue to violet, bluish purple, or pinkish blue, rarely light yellow or whitish, with reddish purple nectar guides, tubular-funnelform, 7–20
  11 KB (736 words) - 19:13, 29 July 2020
• Hexalectris
  prominent; column arcuate, apex narrowly winged; anthers terminal, white, yellow, or maroon; pollinia 8, firm, in 4 pairs, 2 pairs per anther cell; stigma
  9 KB (691 words) - 05:28, 30 July 2020
• Bryum
  dense mats, rarely cushions, white, silver-green, olive, pale green, golden, yellow-green, brown, or yellowbrown. Stems 0.2–1 (–2) cm, weakly to strongly rounded
  14 KB (818 words) - 07:35, 30 July 2020
• Aureolaria
  virginica Rafinesque New Fl. 2: 58. 1837. Jeffery J. Morawetz Common names: Yellow false foxglove Etymology: Latin aureolus, golden, and -arius, possession
  8 KB (372 words) - 19:32, 29 July 2020
• Bucklandiella
  or forming extensive paches or mats, green, brown, yellowish, olive green, less often blackish brown or occasionally jet-black. Stems erect, decumbent or
  13 KB (864 words) - 06:51, 30 July 2020
• Oenothera hartwegii
  mm; floral-tube 16–50 (–60) mm, funnelform in distal 1/2 or less; sepals 7–28 mm; petals yellow, fading pale pinkish or pale-purple, 10–35 mm; filaments 4–13
  9 KB (859 words) - 21:02, 7 June 2022
• Hedwigia
  Treatment on page 84. Mentioned on page 85, 88, 90, 642. Plants large, sordid yellow-green, rarely bright green, pale buff to redbrown with age, sometimes hoary
  11 KB (844 words) - 07:33, 30 July 2020
• Zephyranthes citrina
  cm. Flowers erect; perianth lemon yellow, funnelform, 3.1–5 cm; perianth-tube green, 0.7–1 cm, increasing in diam., less than 1/3 perianth length, ca. 1/2
  5 KB (526 words) - 05:58, 30 July 2020
• Triteleia
  stigma; pistil 3-carpellate; ovary superior, green or colored like perianth (yellow in T. peduncularis, white in T. clementina), stipitate, 3-locular, ovules
  12 KB (679 words) - 06:03, 30 July 2020
• Salix ovalifolia
  branches yellowbrown, gray-brown, or redbrown, glabrous or hairy; branchlets yellow-green, yellowbrown, or redbrown, glabrous or pilose. Leaves: stipules usually
  13 KB (835 words) - 12:25, 30 July 2020
• Castilleja ambigua var. ambigua
  Corollas 14–21 mm; beak pale to bright-yellow or white, rarely pink, 4–6 mm; abaxial lip pale to bright-yellow; teeth white, rarely pink or reddish purple
  5 KB (702 words) - 18:50, 29 July 2020
• Echinocereus enneacanthus
  (–20) mm, tips relatively thin and delicate; anthers yellow; nectar chamber 4–6 mm. Fruits pale yellow-green or dull reddish, 20–30 mm, pulp white or pale-pink
  8 KB (810 words) - 09:19, 30 July 2020
• Athyrium filix-femina var. angustum
  Rachis, costae, and costules glabrous or with pale glands. Sori straight, less frequently hooked at distal end or horseshoe-shaped; sporangial stalks bearing
  6 KB (466 words) - 00:27, 30 July 2020
• Dypsis
  appears in FNA Volume 22. Treatment on page 115. Trunks erect, clustered, less than 15 cm diam., clustering, erect, with conspicuous nodal rings, unarmed
  8 KB (492 words) - 00:51, 30 July 2020
• Tulipa sylvestris
  rusty, straight hairs adaxially. Leaves 2–3 (–4), widely spaced, more or less declinate, channeled; blade dark green, linear to linearlanceolate, keeled
  6 KB (435 words) - 05:44, 30 July 2020
• Odontites vulgaris
  2–3 mm. Flowers 8–10 mm; calyx often with purple markings, 4–6 mm, lobes less than 1/2 length of whole, puberulent; corolla-tube light purple, glabrescent
  7 KB (685 words) - 19:27, 29 July 2020
• Peltandra sagittifolia
  blade light green, glaucous, 8–31 × (2.6–) 4–11 cm, smaller on average and less variable in shape than in Peltandra virginica; lateral-veins all ± same thickness
  6 KB (492 words) - 01:01, 30 July 2020
• Consolida regalis
  5-28. Leaf-blade semicircular, 9-27-lobed, 1-5cm wide, ± puberulent, lobes less than 1.5 mm wide. Inflorescences 6-41-flowered, often more than 3 branches;
  5 KB (501 words) - 15:30, 15 December 2020
• Bergerocactus emoryi
  Illustrator: John Myers Copyright: Flora of North America Association Stems: ribs less than 5 mm from base to crest; areoles 2–4 mm diam., hairs white. Flowers
  4 KB (757 words) - 09:21, 30 July 2020
• Grusonia
  1–6 mm diam.; wool white, gray, or yellow. Spines with epidermis sheath deciduous at apices only, exposing yellow spine tips; at least 1 of major spines
  10 KB (650 words) - 09:16, 30 July 2020
• Gaillardia
  neuter, rarely pistillate and fertile or styliferous and sterile; corollas yellow to white or orange to red, purplish, or brown, often bicolored (sometimes
  12 KB (725 words) - 22:34, 29 July 2020
• Verbascum
  campanulate, lobes linear-oblong to elliptic or triangular; petals 5, corolla yellow to orange, white, purple, cream, or pink, sometimes with purple center or
  15 KB (843 words) - 19:14, 29 July 2020
• Sidalcea malviflora
  (–30) mm; staminal column 4–8 mm, hairy; anthers white to pale-pink or pale-yellow; stigmas (6 or) 7 or 8 (or 9). Schizocarps 4–8 mm diam.; mericarps (6 or)
  13 KB (796 words) - 11:34, 30 July 2020
• Thelesperma
  8, neuter; corollas yellow or redbrown, or bicolored (yellow and redbrown). Disc-florets 20–100+, bisexual, fertile; corollas yellow (with redbrown nerves)
  11 KB (661 words) - 23:26, 29 July 2020
• Chaenactis
  anthers exserted except in C. macrantha); corollas white, pinkish, cream, or yellow, tubes shorter than cylindric or funnelform throats, lobes 5, deltate to
  11 KB (947 words) - 22:31, 29 July 2020
• Funaria
  Capsule exserted, usually inclined to pendent, asymmetric and usually curved, yellow to brown, pyriform, often sulcate or plicate when dry and empty, annulus
  12 KB (730 words) - 06:47, 30 July 2020
• Thymophylla aurea
  puberulent. Ray-florets 8–12; corollas bright-yellow, laminae 4–6 × 2–3 mm. Disc-florets 30–45; corollas yellow, 3 mm. Cypselae 3 mm; pappi either of erose
  6 KB (585 words) - 23:35, 29 July 2020
• Wislizenia californica
  as long as wide, margins entire, glabrous; petals yellow, oblong, 2.5–5 × 0.6–1.9 mm; stamens yellow, 2–9 mm; anthers 1.3–2.5 mm; gynophore ca. 5 mm in
  5 KB (437 words) - 12:06, 30 July 2020
• Geum macrophyllum
  spreading, yellow, obovate, broadly elliptic, or suborbiculate, 3.5–7 mm, longer than sepals, apex rounded. Fruiting tori sessile or on less than 1 mm stipes
  9 KB (825 words) - 14:41, 30 July 2020
• Coryphantha recurvata
  denticulate; inner tepals 20–30 per flower, greenish yellow or lemon yellow, 18 × 3–4.5 mm; anthers pale-yellow; stigma lobes ca. 5, pale green (requiring verification)
  8 KB (851 words) - 09:25, 30 July 2020
• Potentilla sect. Chrysanthae
  1/4–1/3 (–1/2) to midvein, teeth 1–10 (–13) per side, or distal 1/4 or less incised less than 1/10 (–1/4) to midvein, teeth 1–2 (–5) per side (P. stipularis)
  9 KB (692 words) - 13:56, 30 July 2020
• Splachnum
  24, 26, 27, 650, 663. Plants in soft, loose tufts, light to dark green or yellow-green. Stems 0.2–3.5 cm; radiculose. Stem-leaves obovate to long-lanceolate;
  8 KB (478 words) - 07:34, 30 July 2020
• Crataegus (sect. Coccineae) ser. Pulcherrimae
  anthers usually pink to purple, sometimes ivory to cream; styles 3–5. Pomes yellow, orange, ruddy, red, red-purple, or green, broadly ellipsoid to suborbicular
  15 KB (1,064 words) - 14:43, 30 July 2020
• Crataegus (sect. Coccineae) ser. Intricatae
  (–20), anthers ivory, cream, or pink to pale-purple; styles 2–5. Pomes dull yellow to orange, ruddy, russet, or scarlet to red, sometimes green, suborbicular
  16 KB (1,084 words) - 14:44, 30 July 2020
• Arceuthobium campylopodum
  Plants forming localized infections only or nonsystemic witches brooms. Stems yellow, yellowish green, green, olive green, brown, light tan, orange, red, maroon
  14 KB (1,109 words) - 18:24, 29 July 2020
• Sclerocactus
  straight or curved; central spines (0–) 1–6 (–11) per areole, gray, white, yellow, straw colored, red, reddish-brown, brown, pink to purplish-pink or black
  19 KB (1,100 words) - 09:23, 30 July 2020
• Bebbia
  pubescent; inner more chartaceous, striate, margins ciliate, abaxial faces less pubescent to glabrate). Receptacles convex, paleate (paleae persistent, lanceolate
  6 KB (541 words) - 23:21, 29 July 2020
• Harrisella porrecta
  panicles arising through mass of roots, 2–5 cm; floral bracts less than 1 mm. Flowers pale-yellow; dorsal sepal elliptic, obovate, 2–2.5 × 1.3 mm, apex obtuse
  7 KB (667 words) - 05:30, 30 July 2020
• Asimina pygmaea
  glabrate, 1.5-3 (-4) cm; bracteoles 1-2, basal or 1 suprabasal, lance-oblong, less than 1cm, hairy. Flowers maroon, fetid, large; sepals ovate, 5-10 mm, glabrate;
  8 KB (612 words) - 08:24, 30 July 2020
• Euphorbia albomarginata
  conspicuous, deltate or ovate scale, white, 0.4–1 (–2) mm, glabrous; petiole less than 1 mm, glabrous; blade ovate, oblong or orbiculate, 3–8 (–15) × 3–7 mm
  8 KB (592 words) - 18:32, 29 July 2020
• Eleocharis engelmannii
  rudimentary to slightly exceeding tubercle; stamens (2–) 3; anthers brown to yellow, 0.3–0.7 (–1) mm; styles 2–3-fid. Achenes 0.9–1.1 (–1.5) × 0.7–1.1 mm. Tubercles
  8 KB (791 words) - 01:30, 30 July 2020
• Euphorbiaceae
  and Croton. It can be distinguished from those three genera by its pale yellow to white glandular scales on the leaves and stems, staminate flowers with
  24 KB (1,347 words) - 18:25, 29 July 2020
• Phalacroseris
  13–35; corollas yellow. Cypselae brown with darker spots, columnar, truncate, not beaked, 4-nerved, smooth, glabrous; pappi 0, or coroniform (less than 0.5 mm)
  6 KB (458 words) - 20:29, 29 July 2020
• Cistanthe pygmaea
  membranaceous; petals persistent in fruit, 4, white, 3 mm; stamens 1 (–3), anther yellow; style absent; stigmas 2; pedicel 1–3 mm. Capsules ovoid, 3–5 mm; valves
  5 KB (319 words) - 09:43, 30 July 2020
• Erythronium montanum
  white with bright-yellow zone at base, broadly ovate to broadly lanceolate, 25–45 mm, inner wider than outer, auriculate at base, length less than 4 times width;
  5 KB (468 words) - 05:39, 30 July 2020
• Carex nelsonii
  and conspicuous, apex acute. Perigynia ascending, yellow green, golden brown or if dark-brown with yellow margins, veinless, narrowly elliptic, 3.5–4 × 1
  6 KB (524 words) - 02:03, 30 July 2020
• Delphinium carolinianum
  mm; hairs centered, densest near base of cleft, white, sometimes blue or yellow. Fruits (10-) 12.5-18.5 (-27) mm, 4-4.5 times longer than wide, glabrous
  8 KB (652 words) - 08:35, 30 July 2020
• Hexastylis
  sepals connate for most of length, usually mixture of brown, purple, or yellow, externally glabrous, inner surface glabrous, with weak to strong network
  9 KB (474 words) - 08:38, 30 July 2020
• Palustriella
  page 265, 268, 321, 648. Plants medium-sized to large, green, yellow-green, or brownish yellow. Stems sparsely pinnate or irregularly branched; hyalodermis
  8 KB (525 words) - 07:42, 30 July 2020
• Sematophyllum
  page 535, 572, 574, 575, 644, 646. Plants small to large, green, yellow-green, golden yellow, or golden brown, glossy or dull. Stems 0.3–5 cm, not complanate-foliate
  6 KB (341 words) - 07:53, 30 July 2020
• Mitella
  green, greenish white, or greenish yellow; sepals 5, white, greenish white, greenish, yellowish green, or greenish yellow, sometimes purple-tinged; petals
  14 KB (831 words) - 12:58, 30 July 2020
• Ivesia sect. Setosae
  (in I. arizonica) campanulate or turbinate; petals not medially reflexed, yellow to white, not clawed, apex obtuse to rounded; stamens 5–35 (–40), anthers
  13 KB (1,038 words) - 14:03, 30 July 2020
• Carex sect. Vulpinae
  Leaves: basal sheaths fibrous or not; sheath fronts sometimes dotted brown, yellow, or red, at least a narrow hyaline or whitish hyaline band on distal leaves
  9 KB (619 words) - 01:46, 30 July 2020
• Bartsia alpina
  markings, 5–9 mm, divided less than 1/2 length, hirsute; corolla scarcely curved, pilose, galea 3–5 mm, divided from abaxial lip less than 1/4 length of corolla
  6 KB (542 words) - 19:26, 29 July 2020
• Platanthera
  Flowers white; lip 10–15 mm. Platanthera integrilabia 11 Flowers yellow to orange; lip less than 6 mm. Platanthera integra 12 Rostellum lobes triangular,
  17 KB (518 words) - 05:23, 30 July 2020
• Trillium erectum
  ascending slightly, dark reddish-brown, maroon, purple, or white, sometimes pale-yellow, major adaxial veins prominent and appearing somewhat engraved, usually
  10 KB (725 words) - 06:14, 30 July 2020
• Sclerocactus mesae-verdae
  × 5–8 mm; inner tepals yellow to cream (rarely pink), oblanceolate, 15–30 × 5 mm; filaments pale-yellow or white; anthers yellow. Fruits indehiscent to
  7 KB (882 words) - 09:23, 30 July 2020
• Rhizomnium
  conic, conic-apiculate, or conic-rostrate; exostome yellow or brown when mature; endostome yellow or yellowish-brown, segments free. Spores 25–50 µm. Nearly
  12 KB (627 words) - 07:41, 30 July 2020
• Ferocactus hamatacanthus
  1–3 mm. Flowers yellow inside and out, 5.5–8 (–10) × 6.5–9.5 cm; inner tepals bright lemon yellow, very glossy; stigma lobes pale-yellow. Fruits indehiscent
  6 KB (826 words) - 09:26, 30 July 2020
• Gundlachia
  pistillate, fertile; corollas pale-yellow to white]. Disc-florets 3–7 [–50], bisexual, fertile; corollas pale-yellow [yellow to white], tubes often longer than
  8 KB (655 words) - 21:28, 29 July 2020
• Ferocactus viridescens var. viridescens
  tepals greenish yellow, sometimes with reddish-brown midstripes; stigma lobes yellow. Fruits ± readily dehiscent through basal pore, bright-yellow (very rarely
  6 KB (862 words) - 09:26, 30 July 2020
• Delphinium subsect. Multiplex
  spurs sometimes intersecting rachis; pedicel ascending, usually less than 2 cm; if stems less than 60 cm, then pedicel remotely ascending (sigmoid); bracts
  6 KB (537 words) - 08:48, 30 July 2020
• Hygrohypnum styriacum
  Association Plants soft to slightly rigid, dull yellow-green with rusty mottling, less often dirty brownish yellow or uniformly dull green. Stems to 6 cm, leafy
  8 KB (815 words) - 07:43, 30 July 2020
• Papaver mcconnellii
  decumbent, generally curved, less than 15 cm, hispid. Flowers to 6 cm diam.; petals yellow, or white with yellow basal spot; anthers yellow; stigmas 5-7, disc conic-umbonate
  5 KB (399 words) - 08:44, 30 July 2020
• Malaxis
  pollinaria 4, waxy; 1 pollinarium or 2 separate hemipollinaria; viscidia yellow or orange. Fruits capsules; previous year’s fruiting stem and capsules frequently
  9 KB (493 words) - 05:30, 30 July 2020
• Atriplex lentiformis
  obtuse, scurfy. Staminate flowers yellow, in clusters 1–2 mm wide, borne in panicles 0.5–5 dm. Pistillate flowers with less complex panicles. Fruiting bracteoles
  6 KB (686 words) - 09:39, 30 July 2020
• Plagiomnium ciliare
  stems 2–5 (–9) cm, not dendroid; sterile stems to 10 cm. Leaves green or yellow-green, crisped and contorted when dry, flat when moist, ovate, elliptic
  8 KB (629 words) - 07:41, 30 July 2020
• Ulmus rubra
  distal 1/2-3/4, singly serrate proximally, basal teeth 6 or fewer, rounded, less distinct, apex acuminate; surfaces abaxially tomentose, dense tufts of white
  8 KB (563 words) - 08:39, 30 July 2020
• Chylismia walkeri
  with apical free tips less than 1 mm; floral-tube 0.5–1.5 mm, glabrous or sparsely villous inside; sepals 1.5–5 mm; petals bright-yellow, fading pale orange
  7 KB (664 words) - 21:04, 7 June 2022
• Hordeum murinum subsp. glaucum
  than those of the lateral florets, more or less covered with purple spots. Lateral spikelets: paleas more or less densely pilose, especially on the lower
  4 KB (869 words) - 02:56, 30 July 2020
• Sphagnum austinii
  moderate-sized to large, usually quite compact; reddish-brown and often yellow flecked with redbrown; in dense stands forming large and tall hummocks.
  8 KB (713 words) - 06:43, 30 July 2020
• Botrychium
  2–4 cm, all fertile, sporophores always present; plants to 15 cm, mostly less than 10 cm; leaf sheaths closed (subg. Botrychium). > 9 2 Trophophore blade
  19 KB (579 words) - 15:29, 15 December 2020
• Crataegus (sect. Coccineae) ser. Aestivales
  chestnut-brown to dark gray, older gray; thorns on twigs few to numerous (less abundant on older shoots in C. aestivalis), straight, 2-years old dark gray
  10 KB (865 words) - 14:40, 30 July 2020
• Eriogonum thompsoniae
  2–3 dm, glabrous, tomentose among leaves. Leaves basal or sheathing up stem less than 2 cm, 1 per node; petiole (0.1–) 3–7 (–10) cm, tomentose to floccose
  9 KB (833 words) - 10:31, 30 July 2020
• Duchesnea
  mm; sepals 5, spreading to erect, broadly lanceolate to ovate; petals 5, yellow, narrowly obcordate to obovate, ± equal to or shorter than sepals; stamens
  11 KB (636 words) - 14:08, 30 July 2020
• Luzula subg. Anthelaea
  divaricata 2 Apex of tepals acute, not reflexed; inflorescence branches spreading less than 90°, lax. > 3 3 Tepals 2.5–3.5 mm; capsule ± equaling tepal length,
  4 KB (350 words) - 00:55, 30 July 2020
• Canella winterana
  magenta, basally light red to yellow, 4.5-6 mm, thick and fleshy; anthers light red, becoming yellow at anthesis; stigma yellow. Seeds 1-5, black. 2n=28. [P
  4 KB (464 words) - 08:43, 30 July 2020
• Crataegus margarettae
  or obovate, rarely elliptic-rhombic to elliptic or lance-elliptic, 3–5 cm (less than 2.5 in var. meiophylla), subcoriaceous, base cuneate to broadly cuneate
  10 KB (964 words) - 13:45, 30 July 2020
• Claytonia multiscapa
  8–14 mm diam.; sepals 3–5 mm; petals white with yellow spots at base, creamy white, or rich yellow to yellow-orange, 8–10 mm; ovules 6. Seeds 1–2 mm diam
  6 KB (518 words) - 09:44, 30 July 2020
• Anomodon
  rostratus) fruit profusely; A. minor and A. rugelii fruit less abundantly and perhaps less frequently, while sporophytes of A. viticulosus are extremely
  12 KB (612 words) - 07:56, 30 July 2020
• Trichostomum
  or occasionally dentate in the distal 1/2–3/4, occasionally with a narrow, less papillose border; apex narrowly to broadly acute or rounded, occasionally
  16 KB (1,136 words) - 07:01, 30 July 2020
• Linum berlandieri
  conspicuously and more coarsely but less densely glandular-toothed than inner, apex acute or attenuate; petals yellow to orange, sometimes reddish below
  8 KB (580 words) - 18:31, 29 July 2020
• Eriocaulon
  lingulate, narrowing gradually or abruptly from base, base noticeably lacunate, less distinctly so distally. Inflorescences: scape sheaths tubular, orifice oblique
  13 KB (541 words) - 01:03, 30 July 2020
• Delphinium subsect. Bicoloria
  1 Sepals red or yellow. > 2 1 Sepals usually bluish, not red or yellow (sometimes maroon, white, or pink). > 3 2 Sepals red to reddish orange, not waxy
  8 KB (520 words) - 08:47, 30 July 2020
• Bucklandiella pacifica
  loosely or densely caespitose, somewhat lustrous, dark green, olivaceous to yellow or brownish green in the distal part, brown proximally. Stems (1–) 2–5 (–7)
  11 KB (1,016 words) - 06:51, 30 July 2020
• Eragrostis
  nodes; anthers 0.2-0.5 mm long, yellow Eragrostis cilianensis 2 Palea keels smooth or scabrous, the scabridities less than 0.2 mm long. > 3 6 Plants mat-forming;
  33 KB (1,388 words) - 03:56, 30 July 2020
• Listera
  expanded or not; anther on adaxial side of column near apex; pollinia 2, yellow, soft; ovaries pedicellate. Fruits capsules, horizontal to semierect, ellipsoid
  10 KB (521 words) - 05:27, 30 July 2020
• Fritillaria recurva
  tepals scarlet, checkered with yellow adaxially and purple abaxially, 1.5–3.7 cm, apex usually strongly recurved; nectaries yellow, narrowly lanceolate, 1/4
  4 KB (439 words) - 05:42, 30 July 2020
• Heterotheca
  epaleate. Ray-florets (4–) 30 (0 in H. oregona), pistillate, fertile; corollas yellow (tubes glabrate to short-pilose, laminae usually eglandular, sometimes stipitate-glandular
  25 KB (1,511 words) - 21:54, 29 July 2020
• Eriogonum leptocladon
  erect, 0.4–0.7 mm. Flowers (2–) 2.5–3.5 mm; perianth white or pale-yellow to yellow, glabrous; tepals connate proximal 1/4–1/3, essentially monomorphic
  10 KB (1,101 words) - 10:30, 30 July 2020
• Asimina
  oblong to obovate, margins obscurely revolute, inner petals yellow-white with deep yellow corrugate nectary zone. Asimina incana 4 Abaxial surface of young
  11 KB (450 words) - 08:36, 30 July 2020
• Kallstroemia parviflora
  drying white to yellow, narrowly obovate, 5–12 × 3.5–5 mm; stamens as long as style; anthers yellow, usually ovoid, rarely linear, less than 1 mm; ovary
  8 KB (680 words) - 18:21, 29 July 2020
• Ulmus americana
  axils of veins, adaxially glabrous to scabrous. Inflorescences fascicles, less than 2.5 cm, flowers and fruits drooping on elongate pedicels; pedicel 1-2
  9 KB (656 words) - 08:25, 30 July 2020
• Gymnosperma
  pistillate, fertile; corollas yellow. Disc-florets 4–6, bisexual and fertile, sometimes functionally staminate; corollas orange-yellow, tubes about equaling tubular-funnelform
  8 KB (697 words) - 21:30, 29 July 2020
• Cyperus granitophilus
  stamens 1–2; filaments 1.5 mm; anthers 0.8–1 mm, connective apex reddish yellow, less than 0.1 mm; styles 0.8–1 mm; stigmas 1–1.2 mm. Achenes brown to reddish-brown
  6 KB (509 words) - 01:35, 30 July 2020
• Larrea
  [prostrate], branched, swollen at nodes, quadrangular, becoming cylindric, [less than 1] to 4 [–7] m, hairy, becoming glabrate. Leaves opposite, 2-foliolate
  8 KB (473 words) - 18:26, 29 July 2020
• Trichoptilium
  lanceolate, subequal, thin-herbaceous, loosely woolly, the inner more scarious, less woolly). Receptacles convex to conic, smooth or finely pitted, epaleate.
  6 KB (509 words) - 22:34, 29 July 2020
• Zephyranthes refugiensis
  erect; perianth dark lemon yellow, funnelform, 2.5–5 cm; perianth-tube green, (1–) 1.2–2 (–2.4) cm, increasing in diam., less than 1/2 perianth length,
  5 KB (450 words) - 05:59, 30 July 2020
• Hypericum erythreae
  internodes, smaller distally, leathery, margins plane, apex acute, gland-dotted, less conspicuously adaxially, basal veins 1–5, midrib with 2–3 pairs of branches
  6 KB (404 words) - 11:15, 30 July 2020
• Zygophyllum
  or subshrubs [shrubs], perennial. Stems ± erect, highly branched, terete, less than 1 m, fleshy [becoming woody basally], glabrous [hairy]. Leaves opposite
  7 KB (384 words) - 18:32, 29 July 2020
• Calochortus catalinae
  narrow-oblong, rounded in cross-section, 2–5 cm, apex obtuse. Seeds light yellow, translucent, flat. 2n = 14. Phenology: Flowering spring–early summer. Habitat:
  6 KB (475 words) - 05:35, 30 July 2020
• Sarracenia
  alabamensis, summer forms differing from spring forms), not twisted, green, yellow-green, reddish, or purplish, tubiform, gradually tapering from base to orifice
  17 KB (1,184 words) - 13:09, 30 July 2020
• Vanilla
  internodes; flat or straight sepal and petal margins; a simple, yellow-green to yellow-orange lip with a tuft of retrorse hairs; and floral bracts that
  9 KB (557 words) - 05:19, 30 July 2020
• Delphinium californicum
  cm, puberulent; ultimate lobes 3-15, width 5-60 mm; midcauline leaf lobes less than 3 times longer than wide. Inflorescences (16-) 40-90 (-162) -flowered;
  7 KB (625 words) - 08:24, 30 July 2020
• Dioscorea floridana
  Copyright: Flora of North America Association Plants rhizomatous; rhizomes yellow, unbranched, horizontal, 0.5–1 cm or more diam., nodes articulate, each
  9 KB (597 words) - 05:18, 30 July 2020
• Camissoniopsis pallida
  opening near sunrise; floral-tube 1–4.2 mm; sepals (1.5–) 2.5–8 mm; petals yellow, sometimes with 1–3 red dots basally, (2–) 3.5–13 mm; episepalous filaments
  7 KB (623 words) - 21:03, 7 June 2022
• Carex albolutescens
  blades 3–5 per fertile culm, 9–25 cm × 2–3.5 mm. Inflorescences erect, open, yellow-green to brown, 1.5–4 cm × 4–12 mm; proximal internode 3–12 mm; 2d internode
  8 KB (720 words) - 01:59, 30 July 2020
• Eriogonum longifolium
  or oblanceolate to oblong, 0.5–20 × 0.3–2.5 (–3) cm, tomentose abaxially, less so to floccose or glabrous adaxially. Inflorescences 5–50 (–80) × 5–50 cm;
  7 KB (785 words) - 10:41, 30 July 2020
• Fagonia laevis
  Alongi Copyright: Flora of North America Association Subshrubs or shrubs, less than 1 m, to 1 m diam. Stems erect to spreading, intricately branched, dark
  9 KB (711 words) - 18:26, 29 July 2020
• Fagonia longipes
  Flora of North America Association Subshrubs or shrubs, (0.1–) 0.3–0.5 m, less than 1 m diam. Stems erect to spreading, intricately branched, light green
  7 KB (547 words) - 18:19, 29 July 2020
• Amaranthus caudatus
  drooping or nodding, usually red, purple, or white, less commonly green, silvery green, or yellow, usually much-branched at base, leafless at least distally
  9 KB (720 words) - 09:41, 30 July 2020
• Tribulus
  herbaceous, subulate to falcate, apex acute; petiolules very short to absent, less than 1 mm; leaflets 6–16 (–20), opposite, distinct, oblong to ovate or elliptic
  10 KB (543 words) - 18:16, 29 July 2020
• Agoseris glauca
  elongating in fruit. Receptacles epaleate or paleate. Florets 15–150; corollas yellow, tubes 4–18 mm, ligules 6–24 × 2–5 mm; anthers 3–7 mm. Cypselae 7–15 mm
  8 KB (579 words) - 20:21, 29 July 2020
• Notholaena
  often adnate to costae, narrowly elliptic to oblong-ovate or deltate, usually less than 4 mm wide; base rounded to truncate or cuneate; stalks (when present)
  13 KB (724 words) - 00:34, 30 July 2020
• Erythronium helenae
  bright-yellow at base, pinkish in age, lanceolate to ovate, 25–40 mm, inner with small auricles at base; stamens 8–13 mm; filaments ± yellow, linear,
  5 KB (438 words) - 05:40, 30 July 2020
• Agave desmettiana
  long-exserted; filaments inserted near top of perianth-tube, erect, yellow, 3–4 cm; anthers yellow, 13–26 mm; ovary 1.5–2.5 cm, neck not constricted, 1–3 mm. Capsules
  7 KB (571 words) - 06:13, 30 July 2020
• Aletris
  subtended by 2 subulate, unequal bracts, short-pedicellate; perianth white, yellow, or golden orange, cylindrical, campanulate, or obovoid, abaxial surfaces
  7 KB (377 words) - 05:46, 30 July 2020
• Ancistrocactus
  coalesced into ribs with advancing age of plant, ± conic, protruding 1 cm or less on young plants and of ribs on adults; areoles ca. 12–18 mm apart along ribs
  13 KB (892 words) - 09:24, 30 July 2020
• Erythronium californicum
  white, linear, slender, less than 0.8 mm wide; anthers white to cream; style ± white, 10–14 mm; stigma unlobed or with lobes less than 2 mm. Capsules obovoid
  5 KB (456 words) - 05:40, 30 July 2020
• Picea
  Cones borne on year-old twigs. Pollen cones grouped, axillary, oblong, yellow to purple. Seed-cones maturing in 1 season, usually shed at maturity (persisting
  9 KB (446 words) - 15:28, 15 December 2020
• Castilleja affinis var. affinis
  rarely yellow, orange, rose, magenta, or pinkish red, 5 (–7) -lobed. Calyces colored as bracts, or yellow with red (or light orange or yellow) lobes,
  5 KB (710 words) - 18:50, 29 July 2020
• Limnanthes douglasii subsp. douglasii
  ca. 14.7–16 mm, obcordate, completely dark yellow- to yellow-centered (the yellow extending from the base less than half the length of the petal, sharply
  6 KB (681 words) - 12:04, 30 July 2020
• Carex sect. Inflatae
  spike androgynous, dense, with 15+ perigynia. Pistillate scales persistent, less than 10 mm, apex obtuse, acute to acuminate, rarely awned. Perigynia eventually
  6 KB (427 words) - 01:26, 30 July 2020
• Anemone virginiana
  Flowers: sepals usually 5, green, yellow, or red (rarely white or abaxially green to green-yellow and adaxially green or yellow and tinged red), oblong, ovate
  10 KB (661 words) - 08:36, 30 July 2020
• Lilium washingtonianum
  from axis; anthers off white or cream, becoming pale-pink or yellow, 0.8–1.5 cm; pollen yellow or cream; pistil 7.5–10.4 cm; ovary 1.7–3.4 cm; style pale
  9 KB (798 words) - 05:43, 30 July 2020
• Bucklandiella lawtoniae
  Association Plants rather robust or less often moderately sized, loosely tufted, coarse and rigid, slightly glistening, yellow, yellow-green, olivaceous, sometimes
  11 KB (979 words) - 06:51, 30 July 2020
• Nyctaginaceae
  dispersal by animals. The surfaces of diclesia in other genera may be more or less warty, and when so, secrete mucilage of unknown function when wetted. In
  20 KB (1,275 words) - 09:16, 30 July 2020
• Eriogonum strictum
  to cymose, 1–20 × 3–25 cm; branches dichotomous, tomentose to floccose or less often glabrous; bracts 3, scalelike, triangular, 1–3 mm. Peduncles absent
  10 KB (1,075 words) - 10:39, 30 July 2020
• Pediocactus nigrispinus
  reddish-brown to nearly black, rigid, straight or slightly curved, base yellow or cream, 15–35 mm, less than 1 mm diam. at base. Flowers 1–3.5 × 2.5–5 cm; scales and
  7 KB (830 words) - 09:24, 30 July 2020
• Asteraceae tribe Calenduleae
  pistillate, fertile [styliferous and sterile or neuter]; corollas usually yellow to orange and/or cyanic to white (abaxial and adaxial faces often different
  8 KB (479 words) - 20:30, 29 July 2020
• Trillium cuneatum
  bronze, greenish purple, clear green, yellowish green, pale lemon yellow, or 2-colored, yellow distally with purple base, in occasional clones, flowers open
  11 KB (879 words) - 05:29, 30 July 2020
• Manfreda
  tepals connate basally into tube, green, sometimes tinged with brown, or pale-yellow, or white to pink; perianth-tube narrowly to broadly funnelform; limb lobes
  8 KB (422 words) - 06:14, 30 July 2020
• Ephedra coryi
  becoming rigid, angle of divergence about 25°. Twigs bright green, becoming yellow-green with age, not viscid, ridges between longitudinal grooves papillate
  7 KB (444 words) - 00:27, 30 July 2020
• Plagiomnium drummondii
  stems 1–4 cm, not dendroid; sterile stems to 7 cm. Leaves light green or yellow-green, moderately contorted when dry, flat when moist, obovate or sometimes
  6 KB (466 words) - 07:41, 30 July 2020
• Thymophylla acerosa
  margins of outer distinct less than 1/6 their lengths, abaxial faces puberulent or glabrous. Ray-florets 7–8; corollas lemon-yellow, laminae 5–6 × 2–3 mm.
  6 KB (559 words) - 23:34, 29 July 2020
• Fritillaria atropurpurea
  usually slightly less than or equaling proximalmost leaf. Flowers nodding; perianth widely open; tepals purplish brown, clearly mottled yellow or white, oblong
  6 KB (598 words) - 05:41, 30 July 2020
• Entosthodon fascicularis
  Volume 27. Treatment on page 188. Mentioned on page 183. Plants 2–5 mm, yellow-green. Leaves inwardly contorted when dry, oblong to obovate, imbricate
  6 KB (541 words) - 06:47, 30 July 2020
• Papaver lapponicum
  glabrate to hispid. Flowers to 3.5 cm diam.; petals yellow, sometimes distally tinged with pink; anthers yellow; stigmas 5-7, disc convex. Capsules oblong-ellipsoid
  6 KB (517 words) - 08:43, 30 July 2020
• Oenothera sect. Megapterium
  suture, remaining coherent and reflexed as a unit at anthesis; petals yellow, fading yellow, orange, pink, or deep red, obovate to rhombic-obovate; stigma deeply
  11 KB (875 words) - 21:03, 7 June 2022
• Alsia californica
  exostome teeth hyaline to brownish yellow, trabeculate; endostome basal membrane low, segments pale brownish yellow, narrowly subulate, finely papillose
  9 KB (737 words) - 07:56, 30 July 2020
• Camissoniopsis
  nectary; sepals 4, usually reflexed in pairs, sometimes separately; petals 4, yellow, fading red, with 1+ red dots basally; stamens 8, in 2 unequal series, anthers
  13 KB (827 words) - 21:03, 7 June 2022
• Blennosperma
  usually yellow, rarely white (often purplish abaxially, laminae ovate to linear). Disc-florets 20–60 (–100+), functionally staminate; corollas yellow, tubes
  7 KB (438 words) - 21:26, 29 July 2020
• Gayophytum
  sepals 4, reflexed singly or in pairs; petals 4, white with 1 or 2 yellow or greenish yellow areas at base, fading pink or red; stamens 8, in 2 unequal series;
  14 KB (1,072 words) - 21:02, 7 June 2022
• Oncophorus
  below perichaetia. Seta 5–20 (–22) mm, erect, twisted when dry, yellow to reddish yellow. Capsule inclined to horizontal, yellowbrown, arcuate, cylindric
  8 KB (496 words) - 06:58, 30 July 2020
• Crataegus (sect. Coccineae) ser. Punctatae
  (5–) 10–20, anthers rose, pink-purple, cream, white, or yellow; styles 2–5. Pomes red, yellow, orange, scarlet, or burgundy, usually suborbicular, sometimes
  12 KB (864 words) - 14:39, 30 July 2020
• Abronia
  1 Limb of perianth yellow or deep purplish red; plants perennial; stems prostrate, in vigorous plants
  12 KB (544 words) - 09:13, 30 July 2020
• Chamaecyparis thyoides
  bark, less flattened branchlets, lighter yellowish green foliage, steeper angle of leaf appression to the stem, more prominently keeled but less glandular
  6 KB (603 words) - 00:25, 30 July 2020
• Claytonia sarmentosa
  times or less longer than broad, 1–2 cm. Inflorescences ebracteate. Flowers 15–20 mm diam.; sepals 6–8 mm; petals pink to magenta with yellow blotch at
  5 KB (379 words) - 09:45, 30 July 2020
• Suriana
  ovate, apex short-acuminate; petals mostly fallen by midday, spreading, yellow, elliptic-obovate, base tapering to claw, apex rounded, erose-dentate; stamens:
  5 KB (322 words) - 21:01, 7 June 2022
• Xerochrysum bracteatum
  America Association Annuals or perennials, 20–90 cm (dwarf varieties mostly less than 30 cm); taprooted. Stems scabrellous and minutely glandular, sometimes
  4 KB (482 words) - 20:36, 29 July 2020
• Sisyrinchium idahoense
  Flowers: tepals light to deep bluish violet or occasionally purple, bases yellow; outer tepals 8–20 mm, apex rounded, truncate, or emarginate, aristate;
  7 KB (543 words) - 06:06, 30 July 2020
• Eucnide
  straplike, or narrowly ovate, shorter than petals; petals white, green, or yellow [reddish orange], connate proximally to 1/2+ length, spatulate or ovate
  11 KB (827 words) - 18:32, 29 July 2020
• Dicranella
  autoicous. Seta solitary, smooth, elongate, erect or flexuose, twisted when dry, yellow or red, brown with age. Capsule erect or inclined, usually ovoid, oblong
  14 KB (724 words) - 06:56, 30 July 2020
• Coryphantha sneedii
  distally), usually not contrasting with inner tepals; anthers sulphur yellow or canary yellow; stigma lobes 2–7, white (rarely pale-pink or yellowish white),
  15 KB (1,377 words) - 09:25, 30 July 2020
• Symblepharis
  Mentioned on page 360, 431. Plants moderate in size, in dense, yellow-green to golden yellow shining tufts. Stems 2–4.5 cm, erect, simple or forked, densely
  11 KB (820 words) - 06:59, 30 July 2020
• Geum
  Petal color in Geum fades upon drying. Both white and yellow petals ultimately turn cream to pale yellow, thus rendering an important key character for fresh
  22 KB (1,259 words) - 14:34, 30 July 2020
• Ranunculus sect. Echinella
  platensis); sepals deciduous soon after anthesis, 5 (3 in R. platensis); petals yellow (sometimes absent in R. hebecarpus); nectary scale attached basally, free
  7 KB (455 words) - 08:22, 30 July 2020
• Calycadenia
  or cream to rose, or yellow, tubes shorter than throats, lobes 5, deltate to lanceovate (anthers usually dark purple, rarely yellow or light-brown). Ray
  13 KB (911 words) - 23:39, 29 July 2020
• Populus
  sometimes prominent on sucker shoots); petiole not glandular; (blade usually less than twice as long as wide, venation ± palmate, basal secondary-veins strong
  32 KB (2,739 words) - 12:04, 30 July 2020
• Aongstroemia longipes
  perforate or divided nearly 1/2 distally, more or less vertically striolate to almost smooth basally, yellow and finely papillose to smooth distally; operculum
  8 KB (832 words) - 06:54, 30 July 2020
• Erythronium americanum
  auricles; stamens 9–15 mm; filaments yellow, lanceolate; anthers yellow, chestnut-brown, or lavender; pollen yellow or brown; style deciduous or base forming
  6 KB (507 words) - 05:40, 30 July 2020
• Orontium aquaticum
  Inflorescences: spadix bright-yellow, 2–10 cm × 5–10 mm, apex rounded. Flowers covering spadix; tepals (2–) 6, arched over ovaries, yellow; stamens (2–) 6, sometimes
  6 KB (583 words) - 00:55, 30 July 2020
• Ephedra torreyana
  of 3, obovate, 6–9 × 6–10 mm, papery, translucent with orange-yellow to greenish yellow center and base, base clawed, margins minutely dentate, undulate
  7 KB (562 words) - 00:27, 30 July 2020
• Sarracenia alabamensis
  always pubescent, and dull green to yellow-green with bronze to red flush on distal pitchers and hoods, and less distinct red to maroon veins on the internal
  10 KB (1,044 words) - 13:09, 30 July 2020
• Polystichum
  acrostichoides); indusia peltate, persistent or caducous [absent]. Spores yellow or brownish to black, with inflated folds. x = 41. Worldwide The mating
  13 KB (882 words) - 00:24, 30 July 2020
• Hexalectris revoluta
  lobe; lamellae 3, 5, or 7, white to yellow, obscure; column purple abaxially, white-purple adaxially, 9–15 mm; anther yellow. Capsules 20 × 5 mm. Phenology:
  7 KB (658 words) - 05:29, 30 July 2020
• Pyrus
  hypanthium), ± equal to stamens; ovules 2. Fruits pomes, brown, red, green, or yellow, often dotted, globose, subglobose, ovoid, obovoid, or pyriform, 8–120 mm
  14 KB (829 words) - 14:33, 30 July 2020
• Cistanthe
  sepals Cistanthe monandra 3 Capsules less than 2 times as long as sepals Cistanthe parryi 4 Petals 2, 1 mm or less; stamen 1. Cistanthe rosea 4 Petals 4
  11 KB (596 words) - 09:43, 30 July 2020
• Ageratina
  orless commonly crenate to subentire Ageratina jucunda 11 Leaves (yellow-green or grayish yellow-green): blades triangular to lanceolate-ovate or ovate, 2–5(–7)
  11 KB (480 words) - 22:58, 29 July 2020
• Hygrohypnum alpinum
  Copyright: Flora of North America Association Plants soft, pale-yellow, brownish yellow-green, or bright green. Stems to 5 cm, leafy throughout, irregularly
  8 KB (729 words) - 07:42, 30 July 2020
• Calycadenia truncata
  laterals asymmetric, sinuses less than 1/3 laminae). Disc-florets 3–25 (ovaries often sterile or of low fertility); corollas yellow, 4–6 mm (sometimes papillate
  7 KB (759 words) - 23:39, 29 July 2020
• Castilleja cusickii
  greenish yellow, or pale-yellow throughout, or proximally pale green, pale greenish yellow, pale-yellow, or reddish purple, distally white, yellow, pink,
  11 KB (825 words) - 18:52, 29 July 2020
• Carex sect. Lamprochlaenae
  Inflorescences racemose, with 2–4 (–5) spikes; bracts sheathless or short-sheathing, less than 4 mm, scalelike or with short threadlike blade; lateral spikes pistillate
  7 KB (491 words) - 01:24, 30 July 2020
• Oxalis corniculata
  corniculata Linnaeus Sp. Pl. 1: 435. 1753. Guy L. Nesom Common names: Creeping yellow wood-sorrel WeedyIntroducedIllustrated Synonyms: Oxalis corniculata var
  11 KB (908 words) - 18:18, 29 July 2020
• Sphagnum bartlettianum
  partially green or completely red; without metallic lustre when dry. Stems pale-yellow to red; superficial cortical cells aporose. Stem-leaves narrowly lingulate-triangular
  7 KB (807 words) - 07:09, 30 July 2020
• Symphyotrichum hallii
  cuneate, truncate. Heads in racemiforn to paniculiform arrays, branches usually less than 10 (–20) cm. Peduncles sparsely to densely hairy, bracts 3–10, linear
  9 KB (769 words) - 21:09, 29 July 2020
• Diarrhena
  ciliolate, apices acute; lower glumes 1/3 – 2/3 shorter than the upper glumes, less than 1/3 as long as the adjacent lemmas, 1-3 (5) -veined; upper glumes (3)
  11 KB (933 words) - 03:17, 30 July 2020
• Eriogonum douglasii
  0.1–0.5 cm, lanate on both surfaces, or tomentose abaxially and slightly less so and greenish adaxially, margins entire, plane. Inflorescences capitate
  8 KB (862 words) - 10:44, 30 July 2020
• Voitia
  Treatment on page 15. Mentioned on page 650. Plants in tufts, light green to yellow-green. Stems 1–6 cm; densely radiculose proximally. Stem-leaves lanceolate
  5 KB (381 words) - 07:35, 30 July 2020
• Bloomeria crocea
  minutely scabrous. Flowers: tepals abruptly spreading at base, distinct, yellow with brown midvein, 5–13 mm; filaments parallel to style, 3–10 mm, dilated
  4 KB (421 words) - 06:02, 30 July 2020
• Lindera
  different plants, a few bisexual flowers on some plants; tepals deciduous, yellow, pellucid-dotted, equal, glabrous. Staminate flowers: stamens 9; anthers
  6 KB (274 words) - 08:46, 30 July 2020
• Triglochin
  bisexual, of 1 type, short-pedicellate; tepals 6, in 2 series, distinct, yellow-green, conchiform; stamens 4 or 6; anthers nearly sessile; pistils 6, 3
  6 KB (416 words) - 00:58, 30 July 2020
• Bartramia
  reddish-brown, lanceolate, smooth or papillose, apically free; endostome pale-yellow, sometimes absent, segments keeled, cilia rudimentary or absent. Spores
  10 KB (578 words) - 07:34, 30 July 2020
• Ferocactus
  13–20, yellow, orange, or red, unusually long, 7.5–15 mm. Fruits weakly dehiscent through basal pore (indehiscent in F. hamatacanthus), green, yellow, brownish
  14 KB (948 words) - 09:26, 30 July 2020
• Potentilla sect. Pensylvanicae
  sparse to abundant; leaflets (3–) 5–13 (–19), on distal 1/6–1/2+, rarely less, of leaf axis, separate to ± overlapping, narrowly oblanceolate or elliptic
  17 KB (1,336 words) - 14:03, 30 July 2020
• Myrica pensylvanica
  glands yellow. Leaf-blade aromatic when crushed, oblanceolate to elliptic, occasionally obovate, 2.5-6.5 (-7.8) × 1.5-2.7 cm, usually membranous, less often
  9 KB (584 words) - 08:43, 30 July 2020
• Ribes menziesii
  cm, pubescent, stipitate-glandular; blade broadly ovate, 3–5-lobed, cleft less than 1/2 to midrib, 1.5–2.5 cm, base semitruncate or slightly cordate, surfaces
  10 KB (660 words) - 13:07, 30 July 2020
• Camissoniopsis cheiranthifolia
  mm; petals yellow, often red-dotted near base, 6–20 mm; episepalous filaments 2.8–8 mm, epipetalous filaments 1.5–6 mm, anthers 1–3 mm, less than 5% of
  7 KB (677 words) - 21:03, 7 June 2022
• Paspalidium
  each panicle appearing spikelike; branches 1-sided, terminating in a more or less inconspicuous bristle, bristles 2.5-4 mm; disarticulation beneath the spikelets
  6 KB (747 words) - 04:17, 30 July 2020
• Hordeum bulbosum
  the base, margins more or less ciliate; lemmas glabrous, awns 12-50 mm; lodicules densely pilose; anthers 4.5-10 mm, yellow to violet. Lateral spikelets:
  5 KB (796 words) - 02:56, 30 July 2020
• Mentzelia thompsonii
  not concealing capsule, margins entire. Flowers: sepals 1–3 mm; petals yellow, 2–4 mm, apex retuse to rounded; stamens 10–30, 2–3.5 mm, filaments monomorphic
  6 KB (652 words) - 18:24, 29 July 2020
• Chylismia specicola
  reflexed, with apical free tips less than 1 mm; floral-tube 1.5–2 mm, glabrous inside; sepals 2–5 mm; petals bright-yellow, with red dots near base, fading
  6 KB (636 words) - 21:04, 7 June 2022
• Artemisia subg. Artemisia
  Involucres 3.5–6 × 6–11 mm; phyllaries lanceolate (margins brown); corollas yellow or reddish black, glabrous or glandular (not pilose). Artemisia globularia
  11 KB (598 words) - 20:49, 29 July 2020
• Fritillaria eastwoodiae
  greenish yellow to red, narrowly elliptic, 1–1.7 cm, apex usually flared to slightly recurved; nectaries green, gold, or yellow, lanceolate, less than 1/3
  5 KB (482 words) - 05:41, 30 July 2020
• Dicentra cucullaria
  1.8-5 × 1.3-4 mm; petals white, frequently suffused pink, apex yellow to orange-yellow; outer petals (10-) 12-16 (-20) × (3-) 6-10 (-13) mm, reflexed portion
  11 KB (848 words) - 08:26, 30 July 2020
• Campyloneurum
  1 Primary veins obscure and slightly to strongly curved; blades generally less than 6 cm wide. > 2 1 Primary veins conspicuous and straight to slightly
  6 KB (326 words) - 00:32, 30 July 2020
• Salix pedicellaris
  filaments distinct or connate less than 1/2 their lengths, glabrous, or hairy basally or on proximal 1/2; anthers (yellow), ellipsoid, 0.4–0.6 mm. Pistillate
  12 KB (962 words) - 12:31, 30 July 2020
• Castilleja exserta
  proximally pink, purple, or magenta, rarely yellow or white, with maroon or deep purple distal to that and white to yellow or pink distally, often with purple
  11 KB (807 words) - 18:52, 29 July 2020
• Sphagnum inundatum
  the shade to variegated yellow or orange or both in open habitats; capitulum typically rounded. Stems green to brownish or yellow; superficial cortex of
  7 KB (706 words) - 07:01, 30 July 2020
• Plagiomnium ellipticum
  Erect stems 2–5 cm, not dendroid; sterile stems to 12 cm. Leaves green to yellow-green, crisped and contorted when dry, flat when moist, broadly elliptic
  8 KB (587 words) - 07:41, 30 July 2020
• Plagiomnium medium
  Erect stems 2–4 cm, not dendroid; sterile stems to 8 cm. Leaves green or yellow-green, crisped and contorted when dry, flat when moist, elliptic, broadly
  8 KB (566 words) - 07:41, 30 July 2020
• Phyllostachys bambusoides
  cultivars; internodes glabrous, usually green, in cultivars golden yellow, or with yellow and green stripes, lustrous; nodal ridges usually prominent (scarcely
  5 KB (745 words) - 02:48, 30 July 2020
• Mentzelia reverchonii
  Flowers: petals golden yellow, (9.6–) 11.1–14.1 (–22) × 2.5–4.2 (–5.5) mm, apex acute to rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid
  8 KB (633 words) - 18:33, 29 July 2020
• Leskea obscura
  or 3-seriate; operculum rounded-conic, blunt; exostome teeth yellow; endostome segments less than 1/3 exostome teeth length. Spores 11–18 µm, very finely
  6 KB (634 words) - 07:45, 30 July 2020
• Ephedra antisyphilitica
  or whorled, rigid, angle of divergence about 45°. Twigs green, becoming yellow-green with age, glaucous, not viscid, with numerous longitudinal grooves;
  7 KB (434 words) - 00:29, 30 July 2020
• Carex nova
  body, inconspicuous, apex acute. Perigynia ascending or spreading, pale-yellow, dark-brown or blackish with green or yellowbrown margins, veinless, ovate
  6 KB (537 words) - 02:03, 30 July 2020
• Commelina gambiae
  apex acuminate, sparsely hirsute; peduncles 0.3–1.6 cm. Flowers bisexual, less than 1 cm wide; proximal sepals connate, forming cup; paired petals apricot
  6 KB (412 words) - 01:01, 30 July 2020
• Carex chalciolepis
  raised, prominent. Perigynia ascending, purple-brown with green or pale-yellow margins, veinless, broadly ovate, 3–4 × 2.25–3.5 mm, apex abruptly beaked
  6 KB (546 words) - 02:02, 30 July 2020
• Sida neomexicana
  Flora of North America Association Herbs or subshrubs, perennial, usually less than 0.5 m, freely branching from base. Stems erect, stellate-puberulent
  6 KB (482 words) - 11:32, 30 July 2020
• Isothecium cardotii
  Copyright: Flora of North America Association Plants large, dark green or yellow to golden green, slightly glossy. Stems with stipe present, secondary stems
  6 KB (452 words) - 07:56, 30 July 2020
• Carex mertensii
  often raised, prominent, mucronate. Perigynia ascending, green becoming pale-yellow or brown, faintly veined, ovate, 4–5 × 2.5–3.5 mm, apex gradually beaked
  6 KB (538 words) - 02:03, 30 July 2020
• Thladiantha
  Inflorescences: staminate flowers 5–15 in axillary racemes or umbelliform fascicles, less commonly solitary; pistillate flowers solitary [2–3], axillary; bracts absent
  8 KB (342 words) - 11:33, 30 July 2020
• Ivesia arizonica var. arizonica
  5–7 cm diam. Flowers: hypanthium campanulate, ± as deep as wide; petals yellow; anthers 0.6–1 mm. Phenology: Flowering summer. Habitat: Dry, rocky outcrops
  4 KB (817 words) - 14:03, 30 July 2020
• Frangula californica
  petiole 3–10 mm; blade bright green to green, gray-green, yellowish green, or yellow abaxially, dark green to yellowish green or greenish white adaxially, not
  8 KB (657 words) - 18:16, 29 July 2020
• Ptychostomum calophyllum
  dense or open turfs, green, yellow-green, or brown. Stems 1–3 cm, fertile stems comose, innovations evenly foliate. Leaves yellow-green to yellowbrown, somewhat
  10 KB (923 words) - 07:38, 30 July 2020
• Heliopsis helianthoides
  Ray-florets 10–18; corollas golden yellow, laminae mostly 2–4 cm × 6–13 mm. Disc-florets 10–75+; corollas yellowish to brownish yellow (lobes brighter than tubes)
  8 KB (739 words) - 23:00, 29 July 2020
• Lilium iridollae
  Turk’s-cap-shaped; sepals and petals reflexed less than 1/5 along length from base, yellow-orange or yellow, sometimes orange-yellow, often suffused with red distally
  10 KB (1,015 words) - 05:44, 30 July 2020
• Isotria
  bracts absent. Flowers 1–2, resupinate, erect, yellowish green to white, yellow, and purple, subsessile to pedicellate; sepals of same color, linear-oblanceolate
  7 KB (424 words) - 05:20, 30 July 2020
• Pereskia
  not; outer tepals often greenish, colored near margins; inner tepals white, yellow, orange-red, red, pink to purplish; stamens 50–100 in small-flowered species
  5 KB (575 words) - 09:14, 30 July 2020
• Ferocactus cylindraceus
  larger radial spines whitish, yellow, pink, dull red, or brown; smallest spines per areole slender, sometimes bristlelike, less than 1 mm diam. (rarely absent);
  8 KB (955 words) - 09:26, 30 July 2020
• Kopsiopsis strobilacea
  , surface coarsely tessellate. Stems dark redbrown or purple, sometimes yellow, (100–) 140–260 (–300) mm, stout, 10–30 mm diam. Leaves imbricate; blade
  9 KB (641 words) - 19:24, 29 July 2020
• Ceratodon purpureus
  tufts, turfs, or mats, green, dark green, brownish green, light green or yellow-green, usually darker proximally, often tinged reddish-brown or purple.
  8 KB (529 words) - 06:59, 30 July 2020
• Kallstroemia
  persistent, herbaceous, falcate, apex acuminate; petiolules very short to absent, less than 1 mm; leaflets 6–16 (–20), opposite, distinct, elliptic to broadly oblong
  13 KB (670 words) - 18:18, 29 July 2020
• Plagiobryoides
  141, 149, 150, 151, 662. Plants small to large, in dense turfs, green, yellow-green, redbrown, pink, or red. Stems 0.5–4 cm, evenly foliate, not or rarely
  13 KB (797 words) - 07:37, 30 July 2020
• Artemisia subg. Absinthium
  pistillate and fertile; central 15–100 bisexual and fertile; corollas (pale-yellow) funnelform. Temperate regions, North America, South America, Eurasia Species
  5 KB (461 words) - 20:48, 29 July 2020
• Hygrohypnum duriusculum
  North America Association Plants coarse, stiff, bright yellow-green, dull olive green, dirty yellow, or yellowbrown, with or without rusty mottling. Stems
  10 KB (922 words) - 07:42, 30 July 2020
• Eriogonum nudum
  pubescent; teeth 5–8, 0.2–0.6 mm. Flowers (1.5–) 2–4 mm; perianth white or yellow, sometimes pink or rose, glabrous or pubescent; tepals connate proximal
  14 KB (1,118 words) - 10:38, 30 July 2020
• Dichanthelium ensifolium
  spreading, minutely scabridulous. Spikelets 1.2-1.5 mm, ellipsoid to obovoid, yellow-green to purplish, puberulent or glabrous, subacute or obtuse. Lower glumes
  9 KB (1,069 words) - 04:03, 30 July 2020
• Bolboschoenus maritimus
  sometimes 1–few weakly persistent, medium brown, to 1/2 achene length; anthers yellow, very rarely orange, 2–4 mm; styles 2–3-fid. Achenes medium to dark-brown
  11 KB (1,024 words) - 01:52, 30 July 2020
• Sidalcea oregana subsp. spicata
  unbranched or branched, 20+-flowered, 10–15 cm, overlapping in flower and fruit (less often fruits spaced); primary peduncles usually equaling or shorter than
  11 KB (858 words) - 11:36, 30 July 2020
• Symphyotrichum bracteolatum
  spreading, oblanceolate (outer) to linear (inner), subequal, outer indurate less than 1/2, bases outer variable, inner scarious, margins entire, scabrous
  10 KB (745 words) - 15:27, 15 December 2020
• Salix rotundifolia
  0.005–0.05 m, (dwarf), forming clones by rhizomes. Stems erect; branches yellow-green, yellowbrown, or gray-brown, glabrous; branchlets yellowbrown or redbrown
  12 KB (934 words) - 12:21, 30 July 2020
• Eriogonum compositum
  (2–) 7–25 × (0.7–) 1–8 cm, densely white-lanate to tomentose abaxially, less so to glabrate and greenish adaxially, margins entire, plane. Inflorescences
  9 KB (908 words) - 10:43, 30 July 2020
• Penstemon eatonii
  8–2.4 (–2.8) mm, sides glabrous or obscurely hispidulous with tan enations less than 0.1 mm, sutures papillate or denticulate, teeth to 0.1 mm; staminode
  10 KB (805 words) - 19:10, 29 July 2020
• Polygonella
  robusta), glabrous (pubescent basally in P. basiramia); anthers white, yellow, orange, pink, or dark red, elliptic to ovate or round; styles (2–) 3, erect
  13 KB (825 words) - 10:07, 30 July 2020
• Achillea
  pistillate and fertile; corollas usually white (laminae yellow at bases), sometimes pale-yellow to pink or purple (tubes ± flattened), laminae orbiculate
  10 KB (752 words) - 20:44, 29 July 2020
• Echinocereus dasyacanthus
  relatively smooth appearance as in E. pectinatus), pink to pale-yellow, white, or tan, less often dark-brown or purplish, annual growth increments marked
  8 KB (933 words) - 09:20, 30 July 2020
• Ferocactus wislizeni
  4–6.5 cm; inner tepals orange, red, or yellow with orange to red midstripes, or wholly yellow; stigma lobes yellow, orange, or red. Fruits ± readily dehiscent
  9 KB (1,031 words) - 09:26, 30 July 2020
• Salix lutea
  9 mm; filaments distinct or connate less than 1/2 their lengths, glabrous; anthers yellow or purple turning yellow, (ellipsoid or globose), 0.4–0.8 mm
  11 KB (787 words) - 12:01, 30 July 2020
• Papaver alboroseum
  spreading-hispid. Flowers to 2.5 cm diam.; petals white to rose with yellow basal spot; anthers yellow; stigmas 5-7, disc convex. Capsules subglobose to ellipsoid
  5 KB (424 words) - 08:37, 30 July 2020
• Alternanthera flavescens
  Humboldt et al., Nov. Gen. Sp. 2: 207. 1818. Steven E. Clemants Common names: Yellow joyweed Introduced Synonyms: Achyranthes ramosissima (Martius) Standley
  5 KB (347 words) - 09:42, 30 July 2020
• Tragopogon dubius
  shorter than phyllaries; corollas yellow. 2n = 12. Phenology: Flowering early summer. Habitat: Disturbed sites and less disturbed sites Elevation: 10–2500
  4 KB (512 words) - 20:18, 29 July 2020
• Lysimachia
  lanceolate, ovate, or deltate, longer than tube; petals absent or 5 (–9), corolla yellow (sometimes with reddish base) or white and sometimes darkly streaked (by
  18 KB (899 words) - 13:07, 30 July 2020
• Orobanche fasciculata
  short racemes of (1–) 6–15 (–20) flowers at stem or branch tips, light yellow to yellow or tinged pinkish to reddish purple, simple, densely glandular-pubescent
  14 KB (1,053 words) - 19:25, 29 July 2020
• Ranunculus canus
  at the base and less than 1.5 times as long as wide, contrasts with the narrower beaks of the other two species, which are usually less than 0.6 mm wide
  5 KB (580 words) - 08:35, 30 July 2020
• Populus deltoides
  glabrous or thinly long-hairy. Winter buds greenish yellow, glabrous or stiffly hairy, resinous (resin yellow, moderately fragrant); terminal buds (6–) 8–15
  16 KB (1,422 words) - 12:22, 30 July 2020
• Kallstroemia hirsutissima
  marcescent, 1-colored, yellow, fading white or orange, obovate, 2–4 × 1.5 mm; stamens as long as style; anthers yellow, ovoid, less than 1 mm; ovary globose
  8 KB (619 words) - 18:29, 29 July 2020
• Mentzelia dispersa
  3-lobed or entire. Flowers: sepals 1–3.5 mm; petals usually yellow, rarely orange, proximally, yellow distally, 2–6 (–8) mm, apex rounded; stamens 20–40, 2–4
  8 KB (696 words) - 18:32, 29 July 2020
• Andropogon longiberbis
  Utah State University Plants cespitose; cylindrical to oblong and more or less open in the upper portion. Culms 50-100 (150) cm; internodes green, sometimes
  6 KB (900 words) - 04:27, 30 July 2020
• Eremogone aberrans
  Pedicels 6–25 mm, stipitate-glandular. Flowers: sepals 1–3-veined, lateral-veins less developed, narrowly elliptic to ovate, 3.5–4 mm, 4.8–5.2 mm in fruit, margins
  7 KB (672 words) - 10:09, 30 July 2020
• Potentilla sect. Brevifoliae
  spreading, weak, glands common to abundant; leaflets (3–) 5–7, on distal 1/4 or less of leaf axis, usually overlapping, ± flabellate, margins flat, ± whole length
  8 KB (710 words) - 13:59, 30 July 2020
• Symphyotrichum chilense
  (outer usually shorter than inner, if so, lengths less than 3 times widths), bases scarious (outer) less than 1/2 or sometimes wholly foliaceous, inner scarious
  10 KB (858 words) - 21:10, 29 July 2020
• Croton glandulosus
  glandular or not, to 0.5 mm or absent; petiole 0.2–1 cm, glands at apex 2, yellow, sessile to shortly stipitate, cuplike; blade ovate proximally, oblong-lanceolate
  10 KB (534 words) - 18:31, 29 July 2020
• Tragopogon mirus
  than phyllaries; corollas each proximally yellow and distally purple or brownish purple (giving each head a yellow “eye”). 2n = 24. Phenology: Flowering early
  4 KB (501 words) - 20:18, 29 July 2020

View (previous 500 | next 500) (20 | 50 | 100 | 250 | 500)