Search results

  • bristles with diameters less than ca. 50 mm are called fine bristles; pliable to stiff bristles with diameters 50–100 mm are called coarse bristles. Rigid pappus
    275 KB (5,940 words) - 15:30, 15 December 2020
  • present; styles 1-12 mm; seeds winged. Selenia 22 Fruits 30-45(-50) mm; gynophores 7-18 mm. Lunaria 22 Fruits 1-15 mm; gynophores 0-0.5 mm > 23 23 Fruits dehiscent
    107 KB (3,718 words) - 12:07, 30 July 2020
  • cross-section, rarely filiform, involute, or rounded, commonly less than 20 mm wide, if flat then with distinct midvein. Inflorescences terminal, consisting
    80 KB (3,349 words) - 15:29, 15 December 2020
  • Barkley†, Luc Brouillet, John L. Strother Treatment appears in FNA Volume 21. Treatment on page 459. Mentioned on page 456. Annuals, biennials, perennials
    17 KB (728 words) - 22:41, 29 July 2020
  • glumes and beneath the florets, sometimes below the glumes. Spikelets 0.7-50 mm, laterally compressed, sometimes weakly so, sometimes viviparous, usually
    45 KB (1,179 words) - 03:07, 30 July 2020
  • Barkley†, Luc Brouillet, John L. Strother Treatment appears in FNA Volume 21. Treatment on page 3. Mentioned on page 4, 32, 33, 38, 40, 41, 42, 63, 64
    30 KB (1,803 words) - 22:30, 29 July 2020
  • ETS) data: Reinstatement of Herrickia and a new genus, Triniteurybia. Sida 21: 889–900. Cronquist, A. and D. D. Keck. 1957. A reconstitution of the genus
    79 KB (1,886 words) - 20:55, 29 July 2020
  • Treatment on page 50. Mentioned on page 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 49. Herbs or shrubs, sometimes vines in Asparagus, perennial, mostly geophytic
    29 KB (1,493 words) - 05:37, 30 July 2020
  • cylindric or turbinate to campanulate, 5–15 (–40) mm diam. Phyllaries persistent, usually ± 5, 8, 13, or 21 [34] in (1–) 2 series, distinct (margins interlocking)
    30 KB (1,295 words) - 21:10, 29 July 2020
  • mostly 3–8+ cm and radiate heads with yellow corollas (laminae mostly 15–25+ mm) borne on peduncles mostly 3–15+ cm are cultivated in warm areas of the flora
    23 KB (1,021 words) - 21:10, 29 July 2020
  • the subtribe Sonchinae (Asteraceae): Evidence from ITS sequences. Syst. Bot. 21: 417–432. Lee, J., B. G. Baldwin, and L. D. Gottlieb. 2002. Phylogeny of Stephanomeria
    30 KB (805 words) - 20:06, 29 July 2020
  • Pseudabutilon 9 Styles 3–6-branched; petals 3–5 mm. Wissadula 9 Styles 6–12-branched; petals 6–21 mm > 10 10 Mericarps with medial constriction, distal
    20 KB (532 words) - 11:23, 30 July 2020
  • Involucres 0.7-4 mm; flowers 2-4 mm; perianth usually white to pink; widespread Eriogonum wrightii 28 Involucres (4-)5-6 mm; flowers usually 4-5 mm; perianth
    80 KB (1,352 words) - 10:29, 30 July 2020
  • Undefined) subtribe Zinniinae Bentham & Hooker f. Treatment appears in FNA Volume 21. Treatment on page 64. Mentioned on page 6, 7, 8, 43, 135. Annuals, perennials
    21 KB (800 words) - 22:59, 29 July 2020
  • oblong, or elliptic, rarely linear, 1–70 mm wide. > 21 21 Pollen sacs 0.3–1.2 mm, opposite; corollas 7–22 mm, throats 2-ridged abaxially, sometimes rounded
    12 KB (581 words) - 19:05, 29 July 2020
  • Undefined) subtribe Eriophyllinae Rydberg Treatment appears in FNA Volume 21. Treatment on page 335. Mentioned on page 3, 5, 255, 336, 364. Annuals, perennials
    11 KB (627 words) - 23:52, 29 July 2020
  • 2–18), Callitricheae Dumortier (genera 19 and 20), Cheloneae D. Don (genera 21–27), Digitalideae Dumortier (genus 28), Gratioleae D. Don (genera 29–38),
    26 KB (1,000 words) - 19:24, 29 July 2020
  • Undefined) subtribe Petrobiinae Bentham & Hooker f. Treatment appears in FNA Volume 21. Treatment on page 183. Mentioned on page 6, 41, 184. Annuals, perennials
    12 KB (744 words) - 23:22, 29 July 2020
  • Erigeron (section Group 21)
    corymbiform or paniculiform arrays. Involucres turbinate to hemispheric, 5–35 mm diam. Phyllaries 30–125 (–150) in 2–5 series, 1-nerved or 3-nerved (nerves
    97 KB (2,063 words) - 21:58, 29 July 2020
  • (tribe Undefined) subtribe Amauriinae Rydberg Treatment appears in FNA Volume 21. Treatment on page 316. Mentioned on page 5, 317. Annuals, perennials, subshrubs
    7 KB (521 words) - 23:47, 29 July 2020
  • to oblong-lanceolate, 4-13 mm; styles 0.3-1.2 mm > 21 21 Petals 2-2.5(-3) mm, erect, not clawed; anthers oblong, 0.6-0.9 mm; fruits plane; rachises usually
    85 KB (2,094 words) - 12:08, 30 July 2020
  • cylindric or fusiform to turbinate or broadly campanulate, 1–12+ mm diam. Phyllaries persistent, 3–21+ in 1–2 series (connate to 7/8+ their lengths, usually streaked
    11 KB (696 words) - 15:28, 15 December 2020
  • (tribe Undefined) subtribe Palafoxiinae Rydberg Treatment appears in FNA Volume 21. Treatment on page 364. Mentioned on page 5, 253. Annuals, biennials, perennials
    17 KB (818 words) - 23:57, 29 July 2020
  • natural history of North Carolina in 1737) Treatment appears in FNA Volume 21. Treatment on page 491. Mentioned on page 460, 507. Annuals, perennials, subshrubs
    17 KB (617 words) - 22:47, 29 July 2020
  • taxonomic revision of the Castilleja viscidula group. Mem. New York Bot. Gard. 21: 1–63. Pennell, F. W. 1934b. Castilleja in Alaska and northwestern Canada
    79 KB (2,746 words) - 18:50, 29 July 2020
  • spikelets mostly 4–10 mm diam.; achenes 2.3–5.5 mm, smooth. Bolboschoenus 23 Bracts 2+, the proximal 10+ mm, exceeding spikelets by at least 3 mm; spikelets usually
    24 KB (775 words) - 01:21, 30 July 2020
  • (tribe Undefined) subtribe Tageteae Cassini Treatment appears in FNA Volume 21. Treatment on page 221. Mentioned on page 5, 222, 364. Annuals, perennials
    11 KB (674 words) - 23:30, 29 July 2020
  • series and laminae (3–) 5–18 (–21) × 0.8–2.8 mm, sometimes 14–110+ in 2–5+ series (sect. Conyzopsis) and laminae 4.5–5 × 0.1–0.2 mm or reduced to tubes. Disc
    7 KB (663 words) - 21:03, 29 July 2020
  • Undefined) subtribe Lagasceinae Bentham & Hooker f. Treatment appears in FNA Volume 21. Treatment on page 135. Mentioned on page 7, 43, 63, 173, 175, 182. Annuals
    10 KB (633 words) - 23:14, 29 July 2020
  • hemispheric or campanulate to cylindric, (1–) 4–12 (–25+) mm diam. Phyllaries persistent, mostly (4–) 8–21 (–30+) in ± 2 series, usually distinct, sometimes connate
    22 KB (1,036 words) - 23:27, 29 July 2020
  • (Asteraceae: Eupatorieae) Sida 21: 815–826. Nesom, G. L. 2005. Infrageneric classification of Liatris (Asteraceae: Eupatorieae). Sida 21: 1305–1321. Liatris acidota
    24 KB (826 words) - 22:52, 29 July 2020
  • FNA Volume 26. Treatment on page 413. Mentioned on page 15, 17, 18, 19, 20, 21, 51, 303, 414. Plants usually perennial, occasionally epiphytic, sometimes
    13 KB (701 words) - 06:10, 30 July 2020
  • or lanceolate, 1-15 mm; petals 0-22 (-150), distinct, yellow, rarely white, red, or green, plane, linear to orbiculate, 1-26 mm; nectary present, usually
    15 KB (560 words) - 08:33, 30 July 2020
  • sometimes borne singly. Involucres cylindric or campanulate to hemispheric, 4–22 mm diam. Phyllaries 20–84 in (3–) 4–6 (–9) series, 1 (–3) -nerved (not keeled)
    62 KB (1,546 words) - 15:28, 15 December 2020
  • aristate, or erose scales (at the 2 principal angles, 1–5 mm) plus 0–8 usually shorter scales (0.2–2 mm). x = 17. North America, Mexico, in the Old World Species
    32 KB (1,118 words) - 23:14, 29 July 2020
  • bractlets. Involucres campanulate to cylindric, 5–12 mm diam. Phyllaries persistent, usually 8, 13, or 21 (–30+) in 1–2 series, erect (reflexed in fruit),
    40 KB (1,171 words) - 21:16, 29 July 2020
  • terminal cymes > 21 21 Sepals 1-5 mm, forming obconic to campanulate cup, commissuresbetween sepals scarious Gypsophila 21 Sepals 7-25 mm, forming cylindric
    29 KB (1,113 words) - 10:14, 30 July 2020
  • Opuntioideae), pyriform, obovoid, lenticular-reniform, or nearly circular, 0.4–12 mm diam.; testa glossy or dull; rarely with corky arillate appendages (strophioles
    40 KB (1,967 words) - 15:27, 15 December 2020
  • Mithridates Eupator, King of Pontus, 132–63 B.C. Treatment appears in FNA Volume 21. Treatment on page 462. Mentioned on page 459, 461, 470, 471. Perennials,
    17 KB (791 words) - 22:42, 29 July 2020
  • exserted, flattened distally, 0.2–0.8 (–1.1) mm diam., tip straight to recurved, distal 5–60 (–90) % hairy, hairs to 3 mm, sometimes glabrous; style glabrous.
    36 KB (1,140 words) - 19:13, 29 July 2020
  • 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 cm diameter
    41 KB (2,210 words) - 05:19, 30 July 2020
  • callus, alluding to calloused cypselae margins Treatment appears in FNA Volume 21. Treatment on page 317. Mentioned on page 333, 334. Annuals, perennials, subshrubs
    8 KB (548 words) - 23:47, 29 July 2020
  • Barkley†, Luc Brouillet, John L. Strother Treatment appears in FNA Volume 21. Treatment on page 42. Mentioned on page 6, 43, 64, 135. Annuals, biennials
    9 KB (600 words) - 23:53, 29 July 2020
  • proximal abaxial costa surface. Tomentypnum 8 Stem leaves to 1 mm > 9 8 Stem leaves longer than 1 mm > 17 9 Rhizoids or rhizoid initials on stem, abaxial costa
    21 KB (586 words) - 07:42, 30 July 2020
  • Smithsonian Contr. Knowl. 3(5): 99, plate 9. 1852 Treatment appears in FNA Volume 21. Treatment on page 323. Mentioned on page 317, 324. Perennials or subshrubs
    11 KB (583 words) - 23:49, 29 July 2020
  • anthers; petals 10–35 mm. > 21 21 Corollas rotate; petals oblanceolate [6h.1. sect. Phaeostoma subsect. Lautiflorae]. Clarkia lingulata 21 Corollas bowl-shaped;
    19 KB (745 words) - 21:02, 7 June 2022
  • Involucres campanulate, cylindric, ellipsoid, or fusiform, 2–8+ mm diam. Phyllaries 3–15 [–21] in 1 series (usually distinct, falling individually, each with
    14 KB (1,174 words) - 23:30, 29 July 2020
  • and, sometimes, stoloniferous > 18 17 Sepals 3-10 mm; hypanthia 4-10 mm; capsules 8-11 mm; styles 1-2 mm; ovaries nearly superior; petals narrowly lanceolate
    27 KB (1,591 words) - 13:14, 30 July 2020
  • or 2 plump lobes. 2n = 38 (29), 57 (1), 76 (16), 95 (1), 114 (4), unknown (21). North America, Eurasia Species ca. 204 (63 species in the flora). Nineteen
    52 KB (888 words) - 11:54, 30 July 2020
  • branches 12–21 per flower; capsules muricate; flower nectaries absent; hairs unbranched. Caperonia 17 Petals 0 (sepals petaloid in Manihot). > 21 21 Petioles
    24 KB (1,347 words) - 18:25, 29 July 2020
  • Involucres hemispheric or campanulate to cylindric, 3–9 [–12+] mm diam. Phyllaries 5–21 (–40+) in 2+ series, lanceolate to linear, subequal to unequal
    26 KB (1,108 words) - 20:14, 29 July 2020
  • drupe stones 1, indehiscent. Karwinskia 19 Leaves persistent; petals 0. > 21 21 Leaf blade secondary veins arching near margins, higher order veins not forming
    16 KB (532 words) - 18:17, 29 July 2020
  • (15–)20–45 mm > 17 16 Petals 1–12 mm > 18 17 Plants perennial, dioecious, roots tuberous; stems glabrous or glabrate; tendrils unbranched; petals 15–20 mm; fruits
    19 KB (877 words) - 11:15, 30 July 2020
  • flattened distally, (0.2–) 0.4–3 mm diam., tip recurved, rarely coiled or straight, distal 10–50 (–70) % hairy, hairs to 2.5 mm, rarely glabrous; style glabrous
    17 KB (733 words) - 19:07, 29 July 2020
  • Corolla tube 3.5–5 mm; w Texas Cirsium turneri 15 Corolla tube 7–18 mm > 16 16 Biennials from taproots; stems usually solitary; style tips 4–5 mm; s Oregon, California
    60 KB (2,205 words) - 13:43, 10 February 2021
  • 3-5.5 mm wide; seeds 3-6.5(-8) × 2-4.5 mm, wing (0.8-)1.2-2.5 mm wide > 38 37 Fruits 2-3.2 mm wide; seeds 2.5-3.5 × 1.5-2.5 mm, wing 0.2-0.9 mm wide >
    73 KB (2,294 words) - 12:15, 30 July 2020
  • denticulate, teeth to 0.1–0.2 mm, sometimes papillate or smooth; staminode included to exserted, flattened distally, 0.2–1.3 mm diam., tip straight to recurved
    29 KB (982 words) - 19:10, 29 July 2020
  • Pedicels 2.5–5 mm; corolla tubes 11–13 mm. Pedicularis langsdorffii 23 Pedicels 1–2.5 mm; corolla tubes 9–11 mm. Pedicularis sudetica 21 Calyces +/- tomentose
    19 KB (1,040 words) - 19:27, 29 July 2020
  • or lingulate, often channeled or keeled, rarely concave, mostly ca. 1.5–3.5 mm; base usually ovate to oblong, occasionally sheathing the stem; margins usually
    28 KB (882 words) - 07:00, 30 July 2020
  • Franseria Cavanilles Hymenoclea Torrey & A. Gray Treatment appears in FNA Volume 21. Treatment on page 10. Mentioned on page 3, 9, 25. Annuals, perennials, or
    16 KB (728 words) - 23:11, 29 July 2020
  • upper florets, then the florets not very plump at maturity. Spikelets 1-8 mm, usually dorsally compressed, some¬times subterete or laterally compressed
    26 KB (1,480 words) - 04:05, 30 July 2020
  • remaining intact at maturity. > 21 21 Spikelets usually awned; inflorescence branches usually 7-35 cm long Miscanthus 21 Spikelets unawned; inflorescence
    31 KB (2,561 words) - 04:21, 30 July 2020
  • pappus, alluding to membranous pappus scales Treatment appears in FNA Volume 21. Treatment on page 309. Mentioned on page 395. Biennials or perennials, to
    9 KB (558 words) - 23:45, 29 July 2020
  • 8–20 (–26) mm diam.; epicalyx bractlets (4 or) 5 (–10); hypanthium patelliform to cupulate, rarely turbinate, 0.5–2.5 (–5) × (1.5–) 2–7 (–10) mm; sepals (4
    31 KB (1,939 words) - 13:53, 30 July 2020
  • top, usually pubescent; auricles sometimes present; ligules membranous, to 6 mm, usually erose or lacerate; blades usually flat, rarely involute. Inflorescences
    16 KB (1,697 words) - 02:52, 30 July 2020
  • Involucres hemispheric to obconic or broadly cylindric, (3–) 5–15 [–25] mm diam. Phyllaries 5–21+ in 1–2 (–3) series (subequal to unequal). Receptacles convex to
    11 KB (947 words) - 22:31, 29 July 2020
  • leaf blades often toothed > 21 21 Leaves with 3 prominent veins, sparsely farinose; seeds 0.7-0.8 mm diam Chenopodium nevadense 21 Leaves with one prominent
    19 KB (716 words) - 09:29, 30 July 2020
  • > 23 23 Petioles 1–3 mm; leaf blades elliptic, oblanceolate, obovate, or orbiculate, 6–22(–30) × 3–12(–22) mm; capsules 4–6 mm wide, horns prominent.
    14 KB (504 words) - 18:27, 29 July 2020
  • lengths, puberulent is to about 0.15 mm long, short-villous to about 0.3 mm long, and long-villous from 0.3-0.4+ mm long, but these are only guidelines
    87 KB (2,178 words) - 03:17, 30 July 2020
  • Etymology: Ancient Latin or Greek plant name Treatment appears in FNA Volume 21. Treatment on page 366. Mentioned on page 3, 5, 255, 257, 364, 365, 375. Perennials
    16 KB (834 words) - 23:57, 29 July 2020
  • cymiform arrays. Involucres campanulate to hemispheric, 5–25 mm diam. Phyllaries persistent, 8–13 or 21–34 in 2 series (spreading to erect in fruit, distinct
    7 KB (599 words) - 22:38, 29 July 2020
  • than 1 mm. > 19 18 Auricles rounded or acute, 1–3 mm. > 21 19 Anthers 1.6–2.4 mm Juncus orthophyllus 19 Anthers 0.8–1.5 mm. > 20 20 Tepals 3–4 mm Juncus
    9 KB (398 words) - 00:55, 30 July 2020
  • catkins 21-53 mm, flowering branchlets 8-20 mm; ovaries: beak gradually tapering to or slightly bulged below styles; largest medial blades 19-52 mm. Salix
    22 KB (876 words) - 12:17, 30 July 2020
  • supramedial; indusia round-reniform, large (ca. 1 mm diam.) and persistent or sometimes small (less than 0.3 mm diam.), occasionally ephemeral, sometimes absent;
    14 KB (584 words) - 00:28, 30 July 2020
  • Hymenatherum (Cassini) Strother Hymenatherum Treatment appears in FNA Volume 21. Treatment on page 239. Mentioned on page 221, 222. Annuals, perennials, subshrubs
    11 KB (587 words) - 23:33, 29 July 2020
  • oblanceolate to cuneate, mostly 5–15 mm, usually lobed or toothed distally, heads disciform, involucres hemispheric or broader (2–3+ mm diam.), phyllaries in 2–4
    23 KB (1,089 words) - 20:43, 29 July 2020
  • 15-50 mm long, 6-16 mm wide; lower florets sterile, without paleas Uniola 45 Spikelets usually elliptical to lanceolate, 1-26 mm long, 0.6-9 mm wide; lower
    34 KB (1,217 words) - 04:33, 30 July 2020
  • than 10 mm, base tapering or rounded, often spongy, apex usually abruptly beaked, pubescent, rarely glabrous; beak straight or bent, 0.5–2.3 mm, bidentate
    16 KB (801 words) - 01:21, 30 July 2020
  • evolution in the Artemisia ludoviciana complex of the Pacific Northwest. Brittonia 21: 29–43. Keck, D. D. 1946. A revision of the Artemisia vulgaris complex in
    11 KB (598 words) - 20:49, 29 July 2020
  • Leaves: basal rosette present, not persistent, proximalmost internodes to 10+ mm; blade without broad basal lobes, margins entire, toothed, pinnate, or pinnatisect
    20 KB (775 words) - 18:32, 29 July 2020
  • Floral tubes 1.5–3 mm, sepals (1.5–)2–6 mm, petals (2.8–)3.5–10 mm; capsules (10–)14–21 mm; seeds in 1 staggered row distally, 1.8–2.3 mm; flowers ± chasmogamous
    32 KB (1,609 words) - 21:02, 7 June 2022
  • 5-60 mm long, not bulbiferous (FNA 24:67) Meliceae 16 Lemmas veins 1-9, often inconspicuous, usually convergent distally; spikelets 0.7-18(20) mm long
    35 KB (1,876 words) - 02:36, 30 July 2020
  • placenta, wings absent, rarely present. x = 7. North America, nw Mexico Species 21 (21 in the flora). The flowers in Collinsia resemble those of Fabaceae subfam
    16 KB (737 words) - 19:04, 29 July 2020
  • than 15 mm; Florida. Quercus inopina 21 Trees or shrubs evergreen (often tardily deciduous in Q. laurifolia, Q. hemisphaerica, and Q. nigra). > 22 21 Trees
    23 KB (617 words) - 08:21, 30 July 2020
  • membranous, or membranous and ciliate, sometimes absent; pseudoligules of 1-5 mm hairs often present at the bases of the blades immediately behind the true
    26 KB (1,343 words) - 04:00, 30 July 2020
  • North American species of the genus Chorizanthe. Ann. Missouri Bot. Gard. 21: 1–102. Reveal, J. L. and C. B. Hardham. 1989b. A revision of the annual species
    23 KB (1,142 words) - 10:54, 30 July 2020
  • Echinochloa 20 All leaves with ligules, ligules membranous or of hairs. > 21 21 Paleas of the lower florets inflated and indurate at maturity; lower and
    21 KB (1,188 words) - 03:56, 30 July 2020
  • reflexed. Flowers bisexual or unisexual, attenuate at base, stipelike base 0.1–3 mm; perianth various shades of white, cream, yellow, pink, or reddish, glabrous
    24 KB (947 words) - 10:41, 30 July 2020
  • (7–)10–25(–31) mm; corolla tube-throats (10–)15–30(–34) mm; leaves 7–90(–125) mm. Diplacus brevipes 15 Calyces (3–)5–14 mm; corolla tube-throats 5–23 mm; leaves
    28 KB (1,133 words) - 19:01, 29 July 2020
  • oblong-lanceolate, short-clawed, 7-51 mm; petals 5, distinct, white to blue, yellow, or red, oblong to rounded or spatulate blade, 0-30 mm, base backward-pointing tubular
    12 KB (514 words) - 08:29, 30 July 2020
  • ovoid; stipe to 0.5 mm. Carex lenticularis 20 Perigynia 3–5-veined on each face, ellipsoid; stipe not more than 0.2 mm. > 21 21 Perigynia prominently
    16 KB (761 words) - 02:00, 30 July 2020
  • Involucres cylindric to campanulate (sometimes becoming turbinate in fruit), 4–15 mm diam. Phyllaries 5–18 in 1–2 series, lanceolate, equal or subequal, (bases
    18 KB (964 words) - 20:06, 29 July 2020
  • appearing on ancient coins of the city of Cyrene Treatment appears in FNA Volume 21. Treatment on page 77. Mentioned on page 65, 157. Perennials, 20–250+ cm (fibrous-rooted
    10 KB (661 words) - 23:01, 29 July 2020
  • achenes 0.6–0.8 mm wide. Carex crawfordii 12 Perigynia 1.2–3.8 mm wide, 0.35–0.7 mm thick; achenes 0.85–2 mm wide (0.7–0.9 mm in C. scoparia). > 13 13
    57 KB (937 words) - 01:54, 30 July 2020
  • opposite or alternate. > 5 5 Styles 2–3 mm; petals 4–6.5 mm; Florida. Linum arenicola 5 Styles 3–6.5 mm; petals 7–11 mm; New Mexico, Texas. Linum rupestre 3
    12 KB (469 words) - 18:17, 29 July 2020
  • Leaves: basal rosette present, persistent or not, proximalmost internodes to 5 mm; blade without broad basal lobes, margins entire, toothed, pinnate, or pinnatisect
    16 KB (899 words) - 18:19, 29 July 2020
  • Etymology: Greek erion, wool, and phyllon, leaf Treatment appears in FNA Volume 21. Treatment on page 353. Mentioned on page 255, 335, 336, 352, 354, 363, 380
    13 KB (1,037 words) - 23:55, 29 July 2020
  • Synonyms: Dugaldia Cassini Plummera A. Gray Treatment appears in FNA Volume 21. Treatment on page 435. Mentioned on page 415, 416, 437, 446. Annuals, biennials
    15 KB (1,046 words) - 22:37, 29 July 2020
  • rounded, entire or slightly emarginate; awns straight, arising less than 1.5 mm below the lemma apices. Bromus sect. Bromopsis is sometimes incorrectly called
    11 KB (779 words) - 02:52, 30 July 2020
  • less than 2–3 mm wide, linear, frequently forking or with 1–3 small, narrow projections. Asplenium septentrionale 2 Blades more than 10 mm wide, linear-lanceolate
    11 KB (330 words) - 00:25, 30 July 2020
  • petals > 38 38 Styles 3-7 mm; sepals 2.5-5 mm; filaments 1.8-5 mm > 39 38 Styles 6-14 mm; sepals 3.4-8 mm; filaments 6-10 mm > 41 39 Leaf blades: base
    23 KB (1,464 words) - 13:16, 30 July 2020
  • Treatment appears in FNA Volume 26. Treatment on page 303. Mentioned on page 20, 21, 58, 82, 308. Herbs, perennial, from bulbs. Bulbs solitary or clustered, tunicate
    9 KB (519 words) - 05:59, 30 July 2020
  • Leaves: lobes evident and distinct > 21 10 Bracteoles linear-filiform, margins eglandular or sparsely glandular; pomes 5–8 mm diam Crataegus ser. Virides 10
    28 KB (995 words) - 14:38, 30 July 2020
  • Turesson, G. 1925. Studies in the genus Atriplex. Acta Univ. Lund, n. s. 21: 1–15. Welsh, S. L. 1995. Names and types of perennial Atriplex Linnaeus (Chenopodiaceae)
    45 KB (1,022 words) - 09:34, 30 July 2020
  • alluding to venation of ray floret corollas Treatment appears in FNA Volume 21. Treatment on page 447. Mentioned on page 415, 416, 437. Annuals or perennials
    10 KB (710 words) - 22:39, 29 July 2020
  • names: Sneezeweed Etymology: For Helen of Troy Treatment appears in FNA Volume 21. Treatment on page 426. Mentioned on page 415, 416. Annuals or perennials
    13 KB (702 words) - 15:32, 15 December 2020
  • apices abruptly constricted to awnlike tips; discs 10–45 × 15–40 mm). Ray-florets 8–21, neuter; corollas dark purple to pale-pink, white, or yellow (tubes
    10 KB (797 words) - 23:04, 29 July 2020
  • 1-2.5 mm; heads of achenes cylindric, 5-7 mm wide. Ranunculus pensylvanicus 4 Petals 4-6 × 3.5-5 mm; heads of achenes globose to ovoid, 7-10 mm wide. Ranunculus
    12 KB (516 words) - 08:37, 30 July 2020
  • 1 cm; Arizona, New Mexico, Texas. > 21 21 Perianth tube ca. 1/2 (6–18 mm) as long or less than limb lobes (13–27 mm); filaments inserted above mid-perianth
    24 KB (1,110 words) - 06:12, 30 July 2020
  • campanulate, cylindric, hemispheric, obconic, or turbinate, (4–19+ ×) 2–18 mm. Phyllaries 8–60 in 2–7 series (often in vertical ranks), 1-nerved (midnerves
    23 KB (1,156 words) - 22:11, 29 July 2020
  • linear if, 1 cm below the spike, they are 1 mm or more wide, or as filiform if, at that level, they are less than 1 mm wide. Petal color is assumed to be yellow
    16 KB (658 words) - 00:56, 30 July 2020
  • distally. > 21 21 Petioles 0.5–1 mm; leaves often fascicled, blades 2–10 × 1–6 mm; se United States. Ceanothus microphyllus 21 Petioles (1–)1.5–12 mm; leaves
    15 KB (437 words) - 18:13, 29 July 2020
  • in terminal clusters. Involucres mostly campanulate to cylindric, (3–) 4–7 mm. Phyllaries in (2–) 3–7 (–10) series, whitish, rosy, tawny, or brownish (opaque
    17 KB (673 words) - 20:34, 29 July 2020
  • pink to magenta, sometimes yellow or white > 21 21 Stems 1-10 cm; bracts absent; Alaska Claytonia arctica 21 Stems 10-50 cm; bracts present; not in Alaska
    16 KB (646 words) - 09:44, 30 July 2020
  • more rarely tree trunks; some leaves longer than 0.7 mm, rarely all leaves shorter than 0.7 mm, but then not much different dry or moist; laminal cells
    28 KB (900 words) - 07:47, 30 July 2020
  • root alluding to resiniferous rootstocks Treatment appears in FNA Volume 21. Treatment on page 93. Mentioned on page 65, 95, 100. Perennials, 10–45 (–100)
    13 KB (768 words) - 23:05, 29 July 2020
  • below the glumes, spikelets falling intact, bristles persistent. Spikelets 1-5 mm, usually lanceoloid-ellipsoid, rarely globose, turgid, subsessile to short
    17 KB (1,129 words) - 04:14, 30 July 2020
  • to 0.3 mm; staminode included to exserted, flattened distally, 0.2–1 mm diam., tip straight, glabrous or distal 5–50 (–60) % hairy, hairs to 2.5 mm; style
    19 KB (771 words) - 19:16, 29 July 2020
  • name Helianthus and Latin - ella, diminutive Treatment appears in FNA Volume 21. Treatment on page 114. Mentioned on page 65, 66, 67. Perennials, 20–150 cm
    8 KB (578 words) - 23:09, 29 July 2020
  • name Ageratum and Latin - ina, diminutive Treatment appears in FNA Volume 21. Treatment on page 547. Mentioned on page 461, 462, 541, 552. Perennials,
    11 KB (480 words) - 22:58, 29 July 2020
  • Juncus chlorocephalus 21 Outer tepals 2.4–4.1 mm, equaling inner tepals; auricles 0.5–1.7 mm Juncus nodosus 21 Outer tepals 4–6 mm, outer and inner tepals
    13 KB (391 words) - 01:01, 30 July 2020
  • to have been a woman who dressed as a man Treatment appears in FNA Volume 21. Treatment on page 336. Mentioned on page 255, 335, 337, 338, 339, 340, 341
    11 KB (916 words) - 23:52, 29 July 2020
  • corollas 25–35 mm, lobes 6–14 mm; styles 15–28 mm; pedicels 5–25 mm. Agalinis linifolia 6 Stems 5–75 cm, (annuals); corollas 7.5–21 mm, lobes 2.5–6 mm; styles
    23 KB (952 words) - 19:30, 29 July 2020
  • on separate plants); sepals connate proximally into tube, (4–) 10–28 (–40) mm; tube green, whitish, and/or purplish, 10–30-veined, cylindric to campanulate
    36 KB (1,364 words) - 10:24, 30 July 2020
  • at maturity; stamens absent [rudimentary]; pistil 1; ovule 1; style 0.1–1 mm, or absent; stigmas 2–3 (–5), slender. Staminate flowers: tepals 3–5, equal
    32 KB (1,366 words) - 09:41, 30 July 2020
  • etymology stated in protologue meaning uncertain Treatment appears in FNA Volume 21. Treatment on page 280. Mentioned on page 256, 276, 283, 287, 291. Annuals
    14 KB (819 words) - 23:40, 29 July 2020
  • 0.2–0.7 mm; involucres 0.6–1 × 0.5–1.3 mm; styles 0.3–0.7 mm; capsules 1.1–1.6 × 1.3–2.2 mm; seeds gray to reddish brown, 0.8–1.2 × 0.5–0.8 mm; s Florida
    36 KB (819 words) - 18:21, 29 July 2020
  • Sepals 1.2-1.5 mm; petals 2-2.5 × 0.8-1 mm; anthers 0.2-0.3 mm. Cardamine holmgrenii 36 Sepals 2-5 mm; petals 3.5-15 × 1.5-8 mm; anthers 0.7-1.5 mm > 37 37 Rhizomal
    23 KB (1,239 words) - 12:23, 30 July 2020
  • petals 1–3.5 mm. Ranunculus pygmaeus 20 Flowering stems (1–)4–15(–27) cm; petals 3–8 mm. > 21 21 Petals 6–16 mm; beak of achene straight, 0.6–1.8 mm; pedicels
    12 KB (526 words) - 08:22, 30 July 2020
  • Fraga (species 4–19), sect. Monantha G. L. Nesom & N. S. Fraga (species 20, 21), sect. Monimanthe (Pennell) G. L. Nesom & N. S. Fraga (species 22–24), sect
    49 KB (1,607 words) - 18:59, 29 July 2020
  • with hairs, (4) 5-15-veined, usually unawned, sometimes awned, awns to 12 mm, straight; paleas from 1/2 as long as to almost equaling the lemmas, keels
    16 KB (1,258 words) - 02:39, 30 July 2020
  • × 0.01–0.03 mm. Plantago floccosa 20 Adaxial surfaces of leaves: hairs not floccose, less than 2 mm long, more than 0.03+ mm wide. > 21 21 Roots fibrous;
    17 KB (732 words) - 19:20, 29 July 2020
  • than 28 mm; pollinaria less than 4.6 mm. Platanthera orbiculata 20 Spur equal to or greater than 28 mm; pollinaria equal to or greater than 4.6 mm. Platanthera
    17 KB (518 words) - 05:23, 30 July 2020
  • glanddotted; styles 3–5+ mm, branches 1–1.8 mm, proximal 1/2–4/5 stigmatic, apices acute to rounded. Cypselae 1.5–3.5 (–4) mm; pappi usually coroniform
    10 KB (649 words) - 22:36, 29 July 2020
  • abaxially glanddotted; styles 3–7 mm, branches 1–2.2 mm, proximal 2/3–4/5 stigmatic, apices acute to rounded. Cypselae (3–) 3.5–7.5 mm; pappi usually coroniform
    12 KB (678 words) - 23:55, 29 July 2020
  • ovary. Fruits erect or spreading. Seeds ovoid to ellipsoid, (usually ca. 1 mm), reticulate or reticulate-papillose. 2n = 4–ca. 640. North America, Mexico
    21 KB (778 words) - 13:02, 30 July 2020
  • carmenensis 21 Terminal buds 2-12 mm; nut (12-)25-30(-40) mm; Pacific slope; California, Oregon, Washington, British Columbia. Quercus garryana 21 Terminal
    27 KB (606 words) - 08:45, 30 July 2020
  • alluding to cypselae of original species Treatment appears in FNA Volume 21. Treatment on page 185. Mentioned on page 51, 184. Annuals, perennials, subshrubs
    12 KB (827 words) - 23:22, 29 July 2020
  • deciduous (base articulated) or persistent (base not articulated). Flowers 7–45 mm diam.; sepals deciduous or persistent, (2–) 4–5; petals deciduous, (3–) 4–5;
    13 KB (445 words) - 11:15, 30 July 2020
  • Stems 1–3(–5) dm > 7 6 Sepals 5–13 mm; petals 15–20(–25) mm Sphaeralcea gierischii 6 Sepals 4.5–8.5 mm; petals 8–15 mm Sphaeralcea moorei 7 Leaf blades pedately
    14 KB (589 words) - 11:36, 30 July 2020
  • greenish yellow or purplish, plane, lanceolate to reniform or spatulate, 1-18 mm; petals absent; stamens 7-30; filaments filiform to clavate or distally dilated;
    17 KB (836 words) - 08:34, 30 July 2020
  • laterally, yellowish to black, 0.5–2 mm diam., smooth or with corky ridges, not proliferous. Stems upright, forming caudex to 5 mm thick; gemmae absent or minute
    19 KB (579 words) - 15:29, 15 December 2020
  • acutely angled, apex tapering, often abruptly beaked, glabrous; beak 0.3–3 mm, with abaxial suture, bidentate. Stigmas 2. Achenes biconvex, smaller than
    15 KB (529 words) - 01:49, 30 July 2020
  • glumes 1 (3) -veined; upper glumes 3-veined; calluses hairy, hairs 0.2-6.5 mm, sparse to abundant; lemmas 3 (5) -veined, smooth or scabrous, apices usually
    24 KB (1,813 words) - 02:43, 30 July 2020
  • and phoros, bearing Treatment appears in FNA Volume 23. Treatment on page 21. Mentioned on page 5, 6, 27. Illustrator: John Myers Copyright: Flora of North
    10 KB (422 words) - 01:32, 30 July 2020
  • solitary, spikelike branches, exceeding the upper leaves; branches 4-50 (75) mm, not woody, 1-sided, usually racemose on elongate rachises, sometimes digitate
    16 KB (1,065 words) - 04:46, 30 July 2020
  • auriculate, auricles prominent or not; upper 2 and lateral 2 petals showy, 5+ mm, lowest petal showy, not narrowed at middle of limb; lateral petals and sometimes
    39 KB (2,374 words) - 11:16, 30 July 2020
  • portion. > 21 21 Axes of panicle branches 1-1.7 mm wide; spikelets 1.8-2.4 mm wide Paspalum virgatum 21 Axes of panicle branches 0.5-1.2 mm wide; spikelets
    22 KB (1,167 words) - 04:18, 30 July 2020
  • or scabrous. Ray-florets 8–21; corollas yellow. Disc-florets 35–150; corollas yellow. Cypselae 6–15 × 4–11 mm; pappi 0–5 mm. Generated Map Legacy Map Ala
    6 KB (601 words) - 23:02, 29 July 2020
  • 3–4.5 mm wide; perigynia 2–2.5 mm; beak 0.2–0.25 mm. Carex stevenii 30 Spikes oblong or elongate, 5–6 mm wide; perigynia 2.5–3.5 mm; beak 0.3–0.5 mm. Carex
    15 KB (557 words) - 02:02, 30 July 2020
  • stigmas, or shallowly bifid with the stigmatic branches rarely approaching 1 mm. Thus the stigmatic area is small compared to that of plants in subg. Diplostylae
    38 KB (1,253 words) - 01:40, 30 July 2020
  • flattened, wider than 2 mm; stigma lobes 2–6 mm. > 9 8 Filaments linear, less than 0.8 mm wide; stigma unlobed or with lobes shorter than 4 mm. > 10 9 Tepals white
    18 KB (1,049 words) - 05:39, 30 July 2020
  • name Verbena and Latin - ina, resemblance Treatment appears in FNA Volume 21. Treatment on page 106. Mentioned on page 65, 66, 67. Annuals or perennials
    12 KB (721 words) - 23:07, 29 July 2020
  • 9-2.5 mm long; lemma awns 1.2-3.5 mm long; caryopses 1.3-2.3 mm long; paleas glabrous, 1.8-2.4 mm long Muhlenbergia eludens 13 Lemma awns 10-32 mm long
    42 KB (1,621 words) - 04:38, 30 July 2020
  • cuneate. > 21 19 Leaf apex bearing conspicuously puberulent bristle, (1–)1.25–1.9 mm; leaf margins usually long- ciliate, cilia 0.07–0.17(–0.2) mm; sporophyll
    17 KB (719 words) - 00:22, 30 July 2020
  • × 2–5 mm. Ray-florets 0. Disc-florets 10–80; corollas usually yellowish, sometimes whitish, 2.2–7 mm, tubes 1–2.5 mm, throats campanulate, 1–3 mm, lengths
    8 KB (620 words) - 23:45, 29 July 2020
  • thick; stigmas usually 3, sometimes 1 and subcapitate, white to pale green, 1–2 mm. Fruits erect or pendent, capsular or baccate. Seeds many per locule, usually
    17 KB (687 words) - 06:11, 30 July 2020
  • glandular-puberulent; sepals 4–6 mm; petals 9–12 mm; hilum much shorter than seed Tradescantia pinetorum 21 Pedicels (0.8–)1–6 cm, glandular- or eglandular-pubescent;
    17 KB (671 words) - 00:52, 30 July 2020
  • × 2–7 mm, glabrous, commonly bearing 1–4 large, shallow depressions due to pressures from adjacent developing seeds; girdle protruding 0.3–3.5 mm, forming
    34 KB (1,067 words) - 09:16, 30 July 2020
  • 20-250 or more; pistil 3-5 (-7) -carpellate; ovary 1-locular; style short, to 3 mm in fruit; stigma 3-5 (-7) -lobed. Capsules erect, 3-5 (-7) -valved, grooved
    14 KB (554 words) - 08:36, 30 July 2020
  • 5-6 mm, adaxial pair 15- 26 mm); stamens in 3 unequal pairs; styles 0.2-0.5 mm. Streptanthus cutleri 3 Stems pilose proximally; petals equal (4-8 mm); stamens
    23 KB (1,011 words) - 12:00, 30 July 2020
  • appears in FNA Volume 5. Treatment on page 16. Mentioned on page 6, 9, 17, 19, 21. Herbs, annual or strongly perennial with branched, woody caudex. Taproots
    13 KB (764 words) - 10:17, 30 July 2020
  • Fruits capsules, erect, nearly sessile, ellipsoid to sausage-shaped. x = 21. Temperate regions, North America (including Mexico) Species 10 (10 in the
    11 KB (532 words) - 05:26, 30 July 2020
  • surface usually with 2 marginal veins more prominent than midvein; leaves 0.7–21 mm wide, glabrous or, rarely, pubescent. Inflorescences racemose, with 2–10
    13 KB (709 words) - 02:14, 30 July 2020
  • Treatment appears in FNA Volume 26. Treatment on page 307. Mentioned on page 20, 21, 58, 204, 303, 308. Herbs, perennial, from tunicate bulbs. Leaves basal; blade
    5 KB (350 words) - 05:59, 30 July 2020
  • stellate-hairy; staminate sepals 3–4 mm, petals 3–4 mm; pistillate sepals 4 mm, petals 1 mm; seeds 3–4 × 2.5–3 mm. Croton humilis 29 Leaf blade abaxial
    24 KB (874 words) - 18:18, 29 July 2020
  • Flowers: perianth and androecium epigynous, 4–15 mm diam.; hypanthium funnelform, cupulate, or campanulate, 1.5–5 mm, glabrous or pilose to tomentose; sepals 5
    31 KB (1,652 words) - 14:31, 30 July 2020
  • discussed under 1. E. palustris. (2) The E. tenuis complex (species 16–21) is discussed under 21. E. tenuis. (3) The four species (species 57–60) of 8c. Eleocharis
    13 KB (1,127 words) - 02:15, 30 July 2020
  • Barkley†, Luc Brouillet, John L. Strother Treatment appears in FNA Volume 21. Treatment on page 32. Mentioned on page 6, 7, 33, 38, 41. Annuals, perennials
    8 KB (555 words) - 23:33, 29 July 2020
  • 5–1 mm; leaf blades mostly oblong or elliptic, petioles 0.3–6 cm; capsules 10–14 mm, pedicels 7–60(–90) mm; seeds 1–1.5 × 0.9–1.3 mm; sepals 3–12 mm. Ludwigia
    30 KB (1,654 words) - 21:01, 7 June 2022
  • Herbs, terrestrial to semiepiphytic, glabrous. Roots few, fibrous, 0.3–1 mm wide. Stems swollen at base into pseudobulb, ± globose, glabrous. Leaves 1–3
    9 KB (493 words) - 05:30, 30 July 2020
  • Spores 9–25 µm. Nearly worldwide, high Arctic to tropics Species ca. 80 (21 in the flora). Many species of Brachythecium exhibit a broad range of variation
    18 KB (751 words) - 07:47, 30 July 2020
  • narrowly lanceolate to ovatelanceolate [rarely linear-lanceolate], 0.6–3.5 mm; base decurrent or not; margins plane (strongly revolute in P. cardotii and
    17 KB (677 words) - 07:39, 30 July 2020
  • abaxially, 1.8-2 mm; flowers 2-2.5 mm; s California Eriogonum gracillimum 8 Involucres densely tomentose abaxially, 2.7-3 mm; flowers 1.5-1.7 mm; sc California
    30 KB (1,075 words) - 10:46, 30 July 2020
  • corollas 6–12 mm. Cypselae tan, turbinate to cylindric or oblanceoloid, 3–8 mm, glabrous or hairy (often ± pilose or sericeous); pappi whitish, 3–13 mm. 2n = 18
    16 KB (1,091 words) - 20:55, 29 July 2020
  • reticulate-veined; calyces 4–12 mm > 5 5 Stems glabrous or sparsely stellate-hairy; plants annual or perennial; bracts ovate to wide-elliptic, 2–5 mm wide; mericarps glabrous
    21 KB (668 words) - 11:33, 30 July 2020
  • (or 4) -flowered, (6–) 13–25 (–38) mm. Pedicels: (0 or) 1 (–3) subtended by a leaf, proximalmost (4–) 11–21 (–35) mm. Flowers: sepals ascending to recurved
    9 KB (913 words) - 13:48, 30 July 2020
  • symmetric; hypanthium adnate to ovary for proximal 1/4–1/2, free from ovary 0.1–7 mm, abruptly inflated distal to adnation with ovary (H. alba, H. americana, H
    26 KB (1,593 words) - 12:56, 30 July 2020
  • 30 30 Inner tepals 3.5-4.5(-5) mm; achenes 2-3 mm Rumex mexicanus 30 Inner tepals (2-)2.5-3.5(-3.8) mm; achenes 1.7-2.2 mm Rumex triangulivalvis 31 Inner
    41 KB (1,085 words) - 10:05, 30 July 2020
  • 0.35–0.8 mm; achenes smooth at 30X or finely rugulose at 10–30X; widespread. > 21 21 Floral scales in middle of spikelet not more than 1.8 mm wide, 4–
    37 KB (456 words) - 02:15, 30 July 2020
  • Stems 2–8 mm wide; capsules 6–19 mm; tepals usually 12+ mm. > 3 2 Stems 0.5–2(–2.3) mm wide; capsules 3–9 mm; tepals usually less than 12 mm. > 4 3 Stems
    23 KB (1,162 words) - 06:04, 30 July 2020
  • or ovate to obovate, 3.5-40 mm; petals usually absent (present in A. patens), distinct, plane, obovate to elliptic, 1.5-2 mm; nectary present; stamens 10-200;
    19 KB (1,214 words) - 15:30, 15 December 2020
  • or not; branches not spikelike, not disarticulating. Spikelets 1-27 mm long, 0.5-9 mm wide, laterally compressed, with (1) 2-60 florets; disarticulation
    33 KB (1,388 words) - 03:56, 30 July 2020
  • 8–16 mm. Outer phyllaries 6–12, 3.9–9 (–11.5) mm, margins 0–0.4 mm wide, sometimes slightly scarious, abaxial faces ± hairy. Ray-florets 8–15 (–21); corollas
    7 KB (605 words) - 22:40, 29 July 2020
  • ellipsoid to slightly obovoid, 3-ribbed. Seeds cylindric-fusiform. x = 20, 21. Mostly temperate regions, North America, Central America, 1 circumboreal
    9 KB (511 words) - 05:31, 30 July 2020
  • then leaves alternate) > 21 21 Petals pink; flowers usually slightly bilaterally symmetric; leaves deciduous. Rhododendron 21 Petals white or pink, flowers
    33 KB (1,383 words) - 13:10, 30 July 2020
  • 1807–1883, physician and plant collector]] Treatment appears in FNA Volume 21. Treatment on page 396. Mentioned on page 5, 255, 364, 365, 366. Annuals or
    9 KB (598 words) - 00:03, 30 July 2020
  • exserted, flattened distally, 0.2–1.1 mm diam., tip straight to recurved or coiled, distal (40–) 50–100% hairy, hairs to 4 mm; style glabrous, sometimes proximally
    21 KB (880 words) - 19:09, 29 July 2020
  • nemorosa 20 Corollas 4.5–6.5 mm; bracts glossy, surfaces glabrous, tooth apices acute. Euphrasia micrantha 19 Corollas 3–5.5 mm. > 21 21 Stems branched from middle
    17 KB (854 words) - 19:26, 29 July 2020
  • permanently investing capsule. > 21 21 Leaf blade flat, ± falcate, usually 3–6 mm wide; Box Elder County, Utah. Allium passeyi 21 Leaf blade channeled, ± straight
    43 KB (1,553 words) - 05:48, 30 July 2020
  • abaxially > 21 21 Leaf blade margins sharply and uniformly serrate > 22 21 Leaf blade margins entire > 23 22 Shrubs 0.1-0.9 dm; leaf blades 2-6 mm wide. Vaccinium
    13 KB (607 words) - 12:52, 30 July 2020
  • Michael Powell Etymology: Latin flavus, yellow Treatment appears in FNA Volume 21. Treatment on page 247. Mentioned on page 245, 248, 249, 250. Annuals, perennials
    9 KB (638 words) - 23:35, 29 July 2020
  • 1802–1856, early western American explorer Treatment appears in FNA Volume 21. Treatment on page 100. Mentioned on page 65, 66. Perennials, 15–60 (–100)
    10 KB (638 words) - 23:06, 29 July 2020
  • peduncles). Involucres campanulate to hemispheric or broader, 4–25 (–35+) mm diam. Phyllaries persistent, (16–) 20–60 (–80+) in [2–] 3–7+ series, 1-nerved
    18 KB (845 words) - 15:31, 15 December 2020
  • perianth and androecium epigynous, 10–55 mm diam.; hypanthium campanulate or funnelform to saucer-shaped, 3–9 mm diam., hairy or glabrous; sepals 5, erect
    22 KB (1,558 words) - 13:48, 30 July 2020
  • (Christophorus Enzelius), 1517–1583, German naturalist Treatment appears in FNA Volume 21. Treatment on page 118. Mentioned on page 65, 66, 119, 120. Perennials, subshrubs
    9 KB (624 words) - 23:10, 29 July 2020
  • Agnorhiza Jepson Man. Fl. Pl. Calif., 1077. 1925 Treatment appears in FNA Volume 21. Treatment on page 104. Mentioned on page 65, 66, 100. Perennials, 5–60 (–100)
    9 KB (603 words) - 23:07, 29 July 2020
  • on page 207. Mentioned on page 204, 205, 206, 218. Plants (3–) 10–40 (–180) mm, in dense cushions to loose mats, olivaceous, green, brown, or black, often
    22 KB (1,082 words) - 06:48, 30 July 2020
  • petiolaris); hypanthium free from or 1/4–3/4 adnate to ovary, free to 0.5 mm, usually green, rarely purplish; sepals 5, green, sometimes reddish at tips;
    27 KB (988 words) - 13:15, 30 July 2020
  • through abscission of thin-walled cells at base. Seeds many, elliptic, 2–4 mm, bearing white or yellowish, large, oily, myrmecochorous elaiosome (aril)
    30 KB (822 words) - 06:13, 30 July 2020
  • replums 3-4 mm. Physaria condensata 21 Basal leaves ascending or erect, blades (1.5-)5-7 cm × 12-20 mm; replums 1-1.8 mm. Physaria dornii 22 Leaf blade margins
    40 KB (1,647 words) - 11:54, 30 July 2020
  • General José Palafox, 1776–1847, Spanish patriot Treatment appears in FNA Volume 21. Treatment on page 388. Mentioned on page 364, 365, 392. Annuals or perennials
    10 KB (644 words) - 00:02, 30 July 2020
  • straight. Flowers 3–25 mm diam. (smallest ones with erect petals); epicalyx bractlets 5; hypanthium shallowly cupulate, 0.5–3 × 2.5–7 mm; sepals 5, spreading
    22 KB (1,357 words) - 14:09, 30 July 2020
  • usually racemes, rarely umbels or flowers solitary. Flowers 3-merous, 3-8 mm; bracteoles caducous, 3, scalelike; sepals falling immediately after anthesis
    16 KB (698 words) - 08:36, 30 July 2020
  • arrays or borne singly. Involucres cylindric to campanulate or hemispheric, 3–9 mm diam. Phyllaries 20–40 in 2–5 series (mid usually green, sometimes red or
    19 KB (1,032 words) - 15:27, 15 December 2020
  • 2–3 mm. Equisetum fluviatile 4 Sheaths elongate in face view; teeth fewer than 11 per sheath, with prominent white margins and dark centers, 2–5 mm. Equisetum
    11 KB (523 words) - 00:32, 30 July 2020
  • to stem leaves 1.2–1.5 mm and stems usually 1–2 cm and slender (related to the leaf size); ‘medium’ refers to stem leaves 1.5–3 mm and stems 2–4 cm; ‘large’
    18 KB (782 words) - 07:52, 30 July 2020
  • North America Association Leaves: petiole 6-26 mm. Leaf-blade dark olive-green, elliptic to lanceolate, 5-21 × 1.5-6 cm, base cuneate, apex acute to acuminate
    4 KB (443 words) - 08:24, 30 July 2020
  • blades (2–)5–28(–35) mm; bracts 3–25 mm (if bracts less than 9 mm, leaf blades usually less than 10 mm). > 20 20 Pedicels 0–4(–5) mm. > 21 21 Corollas white
    20 KB (967 words) - 19:23, 29 July 2020
  • areolate. > 21 21 Terminal pleiochasial branches usually 5; involucres 1.5–2 mm; capsules 2.5–4 mm; seeds 1.6–2.2 mm. Euphorbia helioscopia 21 Terminal pleiochasial
    19 KB (827 words) - 18:28, 29 July 2020
  • unscented; buds erect, quadrangular, with free tips; floral-tube (21–) 35–210 (–220) mm; sepals splitting along one suture, remaining coherent and reflexed
    11 KB (875 words) - 21:03, 7 June 2022
  • stevioides, Chaenactis xantiana James D. Morefield Treatment appears in FNA Volume 21. Treatment on page 408. Mentioned on page 401, 409, 410. Annuals; proximal
    10 KB (816 words) - 22:32, 29 July 2020
  • naturalist on Beechey’s voyage (1825–1828) Treatment appears in FNA Volume 21. Treatment on page 262. Mentioned on page 255, 259, 260, 263, 264. Annuals
    14 KB (738 words) - 23:38, 29 July 2020
  • varies from disc- to cup-shaped and ranges in size from less than 1 mm to 3 to 4 mm in diameter (measured on the curve if cup-shaped). The cup-shaped hypanthium
    25 KB (1,236 words) - 10:19, 30 July 2020
  • unequally pedicellate groups of 2-5, occasionally borne singly. Spikelets 1.2-8.2 mm, lanceoloid to ellipsoid, dorsally compressed, apices obtuse to acuminate
    23 KB (1,318 words) - 03:56, 30 July 2020
  • usually not readily separated from it, reniform-rounded, notched, glabrous. x = 21. North America, Mexico, Eurasia, n Africa (especially Mediterranean region)
    11 KB (591 words) - 11:29, 30 July 2020
  • 5(–4) mm wide; fruits 3-keeled, 2.3–4 mm. Potamogeton hillii 27 Leaves acute, 1–3(–5)-veined, 0.3–2.3 mm wide; fruits 1-keeled, 1.4–2.3(–2.7) mm. Potamogeton
    23 KB (1,207 words) - 00:56, 30 July 2020
  • usually free from costae, round to elongate or spatulate, usually less than 4 mm wide, base rounded, truncate, or cuneate; stalks (when present) often lustrous
    22 KB (1,068 words) - 00:28, 30 July 2020
  • (0.3–) 1.8–3.1 (–4.6) mm; petals linear, elliptic, or oblong, (4–) 6–10.2 (–15) × (1.8–) 2.6–4 (–5.3) mm; stamens (15–) 19–21 (–28); styles (3–) 5 (or
    10 KB (925 words) - 13:48, 30 July 2020
  • mostly erect, rarely nodding > 21 21 Flowers homostylous; achenes without central hump on 1 side Persicaria pensylvanica 21 Flowers heterostylous; achenes
    12 KB (760 words) - 10:11, 30 July 2020
  • to oblong, 5–18 mm. Anther appendages deltate to sublanceolate. Cypselae black to gray or silver-gray, linear to narrowly clavate, to 4 mm, glabrous or hairy;
    7 KB (637 words) - 23:52, 29 July 2020
  • Involucres hemispheric or campanulate to turbinate, 8–12+ mm diam. Phyllaries persistent, usually 8, 13, or 21 in (1–) 2 series, erect, distinct (margins interlocking)
    12 KB (779 words) - 21:23, 29 July 2020
  • styles 0.2-0.3 mm; e Contra Costa and s Solano counties, California (extinct) Eriogonum truncatum 9 Involucres (1.5-)1.8-2.5 mm; styles 0.2-1 mm; Fresno, Kern
    19 KB (884 words) - 10:50, 30 July 2020
  • Undefined sect. Baeria Fischer & C. A. Meyer Treatment appears in FNA Volume 21. Treatment on page 338. Mentioned on page 337, 341, 346. Annuals or perennials
    6 KB (647 words) - 23:52, 29 July 2020
  • irrigua) or red proximally (S. pallida), lanceolate to ovate-triangular, 2–12 mm, herbaceous (rarely coriaceous), margins often white, scarious, apex acute
    21 KB (985 words) - 10:17, 30 July 2020
  • Sexual condition mostly dioicous or occasionally monoicous. Capsule less than 2 mm, with few pseudostomata. Spores usually more than 30 µm, rarely with raised
    17 KB (673 words) - 06:50, 30 July 2020
  • turning pale orangebrown in fruit in C. texanum), elliptic to ovate, 3–12 mm, herbaceous, margins translucent to purplish, scarious, apex acute, acuminate
    21 KB (1,044 words) - 10:15, 30 July 2020
  • rainbowensis 13 Fruits 12-16 mm diam., dark chocolate brown; (c, n Sierra Nevada, California). Arctostaphylos mewukka 13 Fruits 6-10 mm diam., reddish brown.
    41 KB (2,034 words) - 13:11, 30 July 2020
  • sepals 5, connate (1/4–) 1/2+ their lengths into cup or tube, (1–) 5–40 (–62) mm, apex not hooded or awned; petals absent or 5, often showy, white to pink
    11 KB (721 words) - 10:22, 30 July 2020
  • tomentulose bractlets 1–3 mm. Involucres turbinate-campanulate, 7–21 × 8–12 mm. Phyllaries 10–16, lanceolate or oblong, 8–10 mm, (bases keeled and thickened
    8 KB (661 words) - 20:09, 29 July 2020
  • acute, often awned, sometimes bidentate, teeth to 0.2 mm, sometimes with bristles, bristles to 10 mm, awns terminal or from the sinus, straight or arcuately
    45 KB (3,070 words) - 03:00, 30 July 2020
  • 2–8(–12) mm. > 10 10 Scapes 4–15 cm; petals 10–15 mm; capsules 2–4 mm; e North America. Oxalis montana 10 Scapes (6–)11–25 cm; petals (8–)15–25 mm; capsules
    23 KB (1,013 words) - 18:29, 29 July 2020
  • glossy or sometimes dull. Stems 2–6 (–8) cm, 0.5–4 mm wide across leafy stem. Leaves 0.7–4 × (0.2–) 0.4–2 mm; alar cells spheric, oval, quadrate, or rectangular
    7 KB (581 words) - 07:50, 30 July 2020
  • Göttingen, known for botanical studies in Mexico Treatment appears in FNA Volume 21. Treatment on page 71. Mentioned on page 3, 64, 65, 72, 74. Annuals or subshrubs
    10 KB (870 words) - 23:00, 29 July 2020
  • (rarely pinkish), 0.5–8 mm. Fruits indehiscent, green or red, spheric, ellipsoid, ovoid to narrowly fusiform, or obovoid, 1.5–50 × 1.5–20 mm, usually juicy, sometimes
    25 KB (1,748 words) - 09:25, 30 July 2020
  • Trans. Amer. Philos. Soc., n. s. 7: 376. 1841 Treatment appears in FNA Volume 21. Treatment on page 403. Mentioned on page 401, 410. Biennials, perennials
    9 KB (593 words) - 22:32, 29 July 2020
  • practitioner and botany professor of Valencia, Spain Treatment appears in FNA Volume 21. Treatment on page 483. Mentioned on page 459, 485. Annuals, perennials, subshrubs
    8 KB (485 words) - 22:46, 29 July 2020
  • Latin scabra, rough, and related genus Wyethia Treatment appears in FNA Volume 21. Treatment on page 99. Mentioned on page 65, 100. Perennials, 20–60 cm (taproots
    6 KB (505 words) - 23:06, 29 July 2020
  • (–25) mm. Phyllaries: bases ± rounded, apices acuminate or attenuate to linear or filiform. Ray laminae 15–50 mm. Cypselae 7–9 mm; pappi 0.01–0.5 mm. 2n
    4 KB (529 words) - 23:06, 29 July 2020
  • unisexual flowers, not woolly, with hairs ± straight or tips coiled, 0.1–0.3 mm; hypanthium cupshaped, tapering or expanded distally; sepals (3–) 5, connate
    21 KB (1,113 words) - 10:32, 30 July 2020
  • excurved, 0–1.3 mm, orifice entire. Stigmas 3. Achenes trigonous, smaller than bodies of perigynia; style deciduous. North America, Mexico Species 21 (20 in the
    16 KB (695 words) - 02:09, 30 July 2020
  • 2.2–4 (–4.9) mm; petals oblanceolate to oval or obovate to elliptic, (5.7–) 9.5–14 (–18.8) × (2.2–) 3.3–5.2 (–6.6) mm; stamens (10–) 15–21 (–22); styles
    9 KB (824 words) - 13:48, 30 July 2020
  • styles 0.3-0.6 mm; seeds 1.2-1.5 mm. Lepidium ostleri 21 Fruits obovate to somewhat rhomboid, 7-11 mm; fruiting pedicels glabrous; seeds 3.7-4.5 mm. Lepidium
    29 KB (1,412 words) - 12:33, 30 July 2020
  • some branches longer than 1 cm; pedicels usually longer than 3 mm, thinner than 0.5 mm. Spikelets pedicellate, subterete to weakly laterally compressed
    22 KB (1,516 words) - 03:14, 30 July 2020
  • pistillate 6–8 mm. Phyllaries distally red to pink, light-brown, or white. Corollas: staminate 3–4.5 mm; pistillate 5–6 mm. Cypselae 2–2.5 mm, pubescent and
    6 KB (538 words) - 23:54, 29 July 2020
  • Britton et al., eds. 1905+. North American Flora.... 47+ vols. New York. Vol. 21, pp. 279–336. Swanson, J. R. 1966. A synopsis of relationships in Montioideae
    13 KB (722 words) - 09:43, 30 July 2020
  • longest spines 30–130 (–170) × 0.5–4.5 mm; radial spines 6–25 per areole, straight to curved, or crinkly bristles, 15–70 mm; central spines 1–4 per areole, flattened
    14 KB (948 words) - 09:26, 30 July 2020
  • pappi 0, or of 1–10+ subulate to acerose scales (to 0.5 mm), or of 16–30, ± spatulate scales (0.5–2 mm). x = 17. s United States, n Mexico Species 4 (4 in
    8 KB (531 words) - 23:21, 29 July 2020
  • vaginata Borner Botanisch-systematische notizen., Abh. Naturwiss. Vereine Bremen 21: 258. 1912. Robert R. Haynes, C. Barre Hellquist Common names: Potamot Synonyms:
    8 KB (521 words) - 00:55, 30 July 2020
  • (–10) mm; sepals persistent, glabrous (pubescent in P. alba and P. vulgaris), margins entire, sometimes ciliate or ciliolate; wings persistent, 1–9 mm, glabrous
    19 KB (903 words) - 21:03, 7 June 2022

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