Search results
- 24 Petals absent or rudimentary > 25 24 Petals present > 31 25 Capsules cylindric, opening by 8 or 10 teeth > 26 25 Capsules ovoid to globose, opening29 KB (1,113 words) - 10:14, 30 July 2020
- acorn on axillary peduncle 25-100 mm. Quercus robur 5 Leaf base cuneate or attenuate; acorn subsessile or on axillary peduncle 15-25(-50) mm. > 6 6 Leaf blade27 KB (606 words) - 08:45, 30 July 2020
- petals 2, plane, ± ovate, ± 2-lobed, clawed, 2-12 mm, nectary absent; stamens 25-40; filaments with base expanded; staminodes absent between stamens and pistils;9 KB (574 words) - 08:34, 30 July 2020
- distinct or connate in groups; pistil 1, 1–25-carpellate; ovary superior, inferior, or half-inferior, 1–25-loculed; placentation usually parietal, infrequently17 KB (1,102 words) - 09:13, 30 July 2020
- [winged or carunculate]; endosperm absent; embryo straight [curved]; cotyledons 25–40% of total embryo length. Nearly worldwide except very cold or very dry10 KB (558 words) - 11:15, 30 July 2020
- 27 Leaves 25–90 mm; heads in cymiform arrays, peduncles 1–15 mm (bracts 0–7, scalelike); florets 10–25 Ericameria arborescens 27 Leaves 10–25 mm; heads23 KB (1,156 words) - 22:11, 29 July 2020
- fibers; leaf blades soft, herbaceous. Schoenoplectus 25 Anthers 3 mm; achenes 2.5–3.5 mm. Schoenoplectus 25 Anthers 1–2.5 mm; achenes 1.5–2.5 mm. > 26 26 Culms24 KB (775 words) - 01:21, 30 July 2020
- Lower Taxa Aristida C.E. Hubb. Kelly W. Allred Treatment appears in FNA Volume 25. Treatment on page 314. See subfamily description. The tribe Aristideae has1 KB (506 words) - 04:51, 30 July 2020
- puberula 22 Central bract lobes rounded to obtuse, sometimes truncate. > 25 25 Bracts usually distally bright red to red-orange. > 26 26 Leaf margins plane;79 KB (2,746 words) - 18:50, 29 July 2020
- tack-glands); pappus bristles distinct or inner basally connate, white to tawny > 25 25 Heads usually in cymiform, corymbiform, or paniculiform arrays, sometimes30 KB (805 words) - 20:06, 29 July 2020
- Tripsacum, Zea Dumort. Mary E. Barkworth Treatment appears in FNA Volume 25. Treatment on page 602. Plants usually perennial. Culms 7-600 cm, annual,31 KB (2,561 words) - 04:21, 30 July 2020
- unbranched or mostly 2–7-branched, sometimes absent; stamens 3; petals 2–25 or 25–90 mm > 25 25 Tendrils usually unbranched, rarely unbranched and 2-branched, sometimes19 KB (877 words) - 11:15, 30 July 2020
- crowns of scales) Nipponanthemum 24 Annuals, biennials, perennials > 25 25 Annuals > 26 25 Biennials or perennials > 28 26 Leaves usually irregularly 1-pinnately23 KB (1,089 words) - 20:43, 29 July 2020
- present; blade ± cordate or reniform to narrowly elliptic in outline, 0.5–25 (–30) cm, foliaceous, rarely ± coriaceous; leaflets 3–15 (–41), terminal sometimes31 KB (1,939 words) - 13:53, 30 July 2020
- epaleate, covered with tawny to white bristles or setiform scales. Florets 25–200+; corollas white to pink, red, yellow or purple, ± bilateral, tubes long60 KB (2,205 words) - 13:43, 10 February 2021
- per node), rarely opposite Eutrochium 25 Annuals or perennials; involucres 2–5+ mm diam.; florets 10–30 > 26 25 Perennials, subshrubs, or shrubs; involucres17 KB (728 words) - 22:41, 29 July 2020
- phyllaries). Involucres mostly hemispheric or campanulate to cylindric, (1–) 4–12 (–25+) mm diam. Phyllaries persistent, mostly (4–) 8–21 (–30+) in ± 2 series, usually22 KB (1,036 words) - 23:27, 29 July 2020
- crenate, or toothed. Inflorescences terminal or axillary, 2-50-flowered cymes to 25 cm or solitary flowers; bracts present or absent, small or large and leaflike15 KB (560 words) - 08:33, 30 July 2020
- Involucres mostly campanulate to hemispheric or turbinate-cylindric, (2.5–) 3–22 (–25) mm diam. Phyllaries persistent or tardily falling, 18–40 in (2–) 3–7 series24 KB (826 words) - 22:52, 29 July 2020
- Greenland drabas of the sections Aizopsis and Chrysodraba DC. Svensk Bot. Tidskr. 25: 465–494. Ekman, E. 1932. Contribution to the Draba flora of Greenland. IV85 KB (2,094 words) - 12:08, 30 July 2020
- 11 Trees, 30–100 dm; drupes 25–80 mm > 12 11 Shrubs, 5–30 dm (–40 dm in P. fremontii, –60 dm in P. subcordata); drupes 7–25 mm > 14 12 Leaf blades broadly43 KB (1,828 words) - 14:17, 30 July 2020
- serrate, serrulate, or denticulate (rarely entire in C. cyaneus). > 25 25 Leaf blades (20–)25–100(–130) × 10–64 mm, margins serrate to serrulate, teeth (35–)40–150+;15 KB (437 words) - 18:13, 29 July 2020
- (sparsely stipitate-glandular in S. novae-angliae); pappi persistent, of (20–) 25–40 (–55) white to brownish, ± equal, barbellate, apically attenuate bristles62 KB (1,546 words) - 15:28, 15 December 2020
- Boechera belong to distantly related clades of Brassicaceae that diverged some 19–25 million years ago. A new tribal classification of the family (I. A. Al-Shehbaz73 KB (2,294 words) - 12:15, 30 July 2020
- ternipes, Aristida tuberculosa L. Kelly W. Allred Treatment appears in FNA Volume 25. Treatment on page 315. Plants usually perennial; herbaceous, usually cespitose23 KB (1,150 words) - 04:51, 30 July 2020
- ellipsoid, rarely pyriform, urceolate, elongate, or oblong, 6–18 (–24) × 5–15 (–25) mm, glabrous, sometime setose, eglandular or stipitate, rarely setose, glandular;24 KB (1,103 words) - 13:51, 30 July 2020
- (without calyculi) 25–80+ in 4–6+ series and orbiculate to oblong, lance-oblong, lanceolate, or linear, unequal, or (with calyculi) 12–25+ in 2–3 series and16 KB (748 words) - 20:19, 29 July 2020
- 2-fid, short, or ending in mid leaf to slightly beyond > 25 24 Stem leaf costae single, long > 26 25 Alar cell walls thin or slightly incrassate, regions mostly21 KB (586 words) - 07:42, 30 July 2020
- Muhlenbergia ×involuta Schreb. Paul M. Peterson Treatment appears in FNA Volume 25. Treatment on page 145. Plants annual or perennial; usually rhizomatous, often42 KB (1,621 words) - 04:38, 30 July 2020
- virginianum, Linum westii (Reichenbach) Engelmann Smithsonian Contr. Knowl. 3(5): 25. 1852. Nancy R. Morin Basionym: Linopsis Reichenbach Handb. Nat. Pfl.-Syst12 KB (469 words) - 18:17, 29 July 2020
- Seeds black, flattened, obovoid, becoming globose distally. x = 30 (5 large, 25 small). Warmer regions in the Americas from the sw United States and Fla.24 KB (1,110 words) - 06:12, 30 July 2020
- Peterson, Stephan L. Hatch, Alan S. Weakley Treatment appears in FNA Volume 25. Treatment on page 115. Plants annual or perennial; usually cespitose, sometimes22 KB (1,094 words) - 04:32, 30 July 2020
- conduplicate, each partly investing its subtended floret). Ray-florets 0 or 3–25+, neuter; corollas yellow or orange, brown-purple, maroon, or reddish, sometimes9 KB (600 words) - 23:53, 29 July 2020
- (Pennell) G. L. Nesom & N. S. Fraga (species 22–24), sect. Erythranthe (species 25–31), sect. Alsinimimulus G. L. Nesom & N. S. Fraga (species 32), sect. Simigemma49 KB (1,607 words) - 18:59, 29 July 2020
- rarely pubescent distally; nectaries epistaminal. Penstemon 20 Herbs. > 25 25 Fruits pyxides or nutlets; leaves basal only, rarely cauline; corolla lobes26 KB (1,000 words) - 19:24, 29 July 2020
- textile 24 Scape fistulose, 3–25 mm diam., not flattened and winged; leaves 2–10, blade flat and solid, or fistulose. > 25 24 Scape solid, exceeding 5 mm43 KB (1,553 words) - 05:48, 30 July 2020
- symmetrically, sometimes slightly asymmetrically, attached to pedicels. > 25 25 Plants acaulescent or short-caulescent; stems 30–70 mm; basal leaves densely28 KB (1,133 words) - 19:01, 29 July 2020
- peduncles 1–15(–25) mm > 25 25 Peduncles (bracteate) 1–8 mm; involucres 13–15 mm; phyllar-ies 34–40 Brickellia pringlei 25 Peduncles 2–15(–25) mm; involucres17 KB (617 words) - 22:47, 29 July 2020
- or attenuate to apiculate, faces glabrous or hairy abaxially. Ray-florets 6–25+; corollas usually yellow-orange proximally, yellow distally, sometimes with10 KB (649 words) - 22:36, 29 July 2020
- wrightii L. Charles M. Allen, David W. Hall Treatment appears in FNA Volume 25. Treatment on page 566. Plants annual or perennial; cespitose, rhizomatous22 KB (1,167 words) - 04:18, 30 July 2020
- Grass Phylogeny Working Group, Kelly W. Allred Treatment appears in FNA Volume 25. Treatment on page 314. Plants annual or perennial; usually cespitose. Culms11 KB (771 words) - 04:51, 30 July 2020
- blades 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 the23 KB (1,021 words) - 21:10, 29 July 2020
- Senecio (section Group 4. Suffruticosi (spp. 25–30))Lugentes (spp. 11 6 Phyllaries (adaxially villous) Tephroseris 7 Involucres (20–)25–40 mm diam. (northern beaches and shorelines) Senecio pseudoarnica 7 Involucres30 KB (1,295 words) - 21:10, 29 July 2020
- perigynia reddish brown, (3.8–)4–5.5 mm, conspicuously 5+-veined adaxially. > 25 25 Achenes 1.1–1.4 × 0.6–0.8 mm; inflorescences compact, often headlike, erect57 KB (937 words) - 01:54, 30 July 2020
- > 10 10 Corollas 14–25 mm; pollen sacs navicular to subexplanate, 1.2–1.4 mm, dehiscing completely. Penstemon hallii 10 Corollas 25–35 mm; pollen sacs sigmoid29 KB (982 words) - 19:10, 29 July 2020
- Schismus, Tribolium Zotov Mary E. Barkworth Treatment appears in FNA Volume 25. Treatment on page 298. See subfamily description. The Danthonieae, the only3 KB (589 words) - 04:50, 30 July 2020
- flat-topped, 1–15 (–25) × 1.8–12 (–20) cm, firm or flaccid; tubercles distinct, not confluent into ribs, pyramidal, conic, or cylindric, 3–25 × 2–9 mm; areoles18 KB (1,104 words) - 09:27, 30 July 2020
- center; staminal column included or exserted; ovules 3 (–6) per carpel; style 5–25-branched; stigmas sometimes black, capitate. Fruits schizocarps, erect, not12 KB (726 words) - 11:23, 30 July 2020
- subg. Setaria P. Beauv. James M. Rominger Treatment appears in FNA Volume 25. Treatment on page 539. Plants annual or perennial; cespitose, rarely rhizomatous17 KB (1,129 words) - 04:14, 30 July 2020
- Urvilleana Robert W. Freckmann, Michel G. Lelong Treatment appears in FNA Volume 25. Treatment on page 456. Plants annual or perennial; usually cespitose. Culms7 KB (909 words) - 04:05, 30 July 2020