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

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