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
- bladeless sheaths; ligules present; blades filiform to flat with filiform tip, to 25 cm × 2.5–4 mm. Inflorescences terminal, spikelets solitary, erect or (1–)10 KB (422 words) - 01:32, 30 July 2020
- between the keel and marginal veins; palea keels puberulent or glabrous. > 25 25 Lemmas usually puberulent on the lateral veins and between the veins; lower87 KB (2,178 words) - 03:17, 30 July 2020
- (in 129. C. lacrimata), adaxially sometimes short-pubescent. Flowers 10–20 (–25) mm diam.; hypanthium usually densely hairy, sometimes glabrous; sepals ±22 KB (1,233 words) - 13:46, 30 July 2020
- with stiff spines Stenocereus 20 Plants mostly branched near midstem; stems 25-75 cm diam.; flowers 8.5-14 cm; ovary spineless or with few bristlelike spines40 KB (1,967 words) - 15:27, 15 December 2020
- 20 Cauline leaves alternate, proximals rarely subopposite to opposite. > 25 25 Stamens 2. > 26 26 Leaf blades: margins of proximals 3-lobed, margins of19 KB (841 words) - 19:24, 29 July 2020
- villosissima, Setaria viridis James M. Rominger Treatment appears in FNA Volume 25. Treatment on page 546. Plants annual or perennial. Blades seldom wider than3 KB (836 words) - 04:15, 30 July 2020
- sometimes with faint raised strigillose lines from margins of petioles. > 25 25 Leaf blade surfaces strigillose abaxially, subglabrous adaxially, with strigillose32 KB (1,609 words) - 21:02, 7 June 2022
- seed cones 25-50 cm; seed body 1-2 cm, wing 2-3 cm. Pinus lambertiana 7 Stomatal lines evident only on adaxial surface of leaves; seed cones 7-25 cm; seed29 KB (1,428 words) - 00:26, 30 July 2020
- usually black, occasionally gray, flattened, round, rarely obovate or ovate. x = 25, 30. e coastal plain, se, sc, w United States, n, c, w Mexico, n Central America17 KB (687 words) - 06:11, 30 July 2020
- urceolate, sometimes campanulate to obconic, 5–25+ mm diam. (excluding phyllary apices). Phyllaries (persistent) 25–100+ in (3–) 4–9+ series, 1-nerved or obscurely23 KB (1,525 words) - 22:29, 29 July 2020
- or indehiscent to irregularly dehiscent, or baccate and indehiscent. Seeds 25-1000+, distinct, fusiform or ovoid, winged or not. North America, Mexico,10 KB (850 words) - 12:54, 30 July 2020
- sessile or stalked; blades linear, oblong, or deltate, simple to 5-pinnate, 4–25 × 1–35 cm. Pinnae (reduced to segments in many species) spreading to ascending19 KB (579 words) - 15:29, 15 December 2020
- Phanopyrum L. Robert W. Freckmann, Michel G. Lelong Treatment appears in FNA Volume 25. Treatment on page 450. Plants annual or perennial; their habit variable.26 KB (1,480 words) - 04:05, 30 July 2020
- sometimes annual in O. stricta); capsules 6–20(–25) mm. > 24 24 West of the Mississippi River. > 25 25 Stipule margins with wide, free flanges, apical23 KB (1,013 words) - 18:29, 29 July 2020
- Stems to 25 dm. Leaves forming rosettes; blade linear, not rigid or fibrous, bases broadly expanding, margins serrulate or entire. Scape 0.5–25 dm. Inflorescences10 KB (569 words) - 06:10, 30 July 2020
- Andropogon virginicus Stapf Christopher S. Campbell Treatment appears in FNA Volume 25. Treatment on page 653. Inflorescences false panicles; inflorescence units2 KB (728 words) - 04:25, 30 July 2020
- metallic-silvery > 25 24 Capsules ± narrowly ovoid-conic or pyramidal-ovoid to ovoid or ellipsoid; bark smooth and metallic-silvery or corky to spongy > 26 25 Leaves13 KB (445 words) - 11:15, 30 July 2020
- entire to ± toothed; petiole present; blade oblanceolate-oblong in outline, 1–25 cm, foliaceous, leaflets 5–13 (–21), distinct, terminal not confluent with22 KB (1,357 words) - 14:09, 30 July 2020
- basal-cells reaching across leaf or rising higher medially, rectangular, 18–25 µm, 2–5: 1, walls thin, hyaline; distal laminal cells roundedquadrate to hexagonal26 KB (1,447 words) - 07:08, 30 July 2020
- fruits dehiscent in distal 1/2. Polanisia 3 Stamens 6 (except Arivela with 14-25); gynophore usually 0.5-85 mm in fruit (in Arivela viscosa fruits sessile16 KB (756 words) - 12:06, 30 July 2020
- membranous; extrastaminal nectary disc often present; stamens [4–] 5 [–ca. 25], usually borne on androgynophore [hypanthium]; ovary superior, [2–] 3 [–5]7 KB (615 words) - 11:20, 30 July 2020
- Rose and C. bolensis S. Boyd & J. Keeley, both endemic to Mexico. Species 25 (23 in the flora). In the following key, references to indumentum do not include14 KB (504 words) - 18:27, 29 July 2020
- stigma slightly expanded at apex. Capsules: dehiscence loculicidal. Seeds 4–25, pale-brown to dark-brown, ovoid to reniform, wings absent. x = 6, 7. w United10 KB (460 words) - 18:57, 29 July 2020
- (Brassicaceae): Evidence from trnL intron and ndhF sequence data. Syst. Bot. 25: 468–478. Cardamine angulata, Cardamine angustata, Cardamine bellidifolia23 KB (1,239 words) - 12:23, 30 July 2020
- Limnanthes floccosa, Limnanthes montana C. T. Mason Univ. Calif. Publ. Bot. 25: 473. 1952. Nancy R. Morin Treatment appears in FNA Volume 7. Treatment on4 KB (441 words) - 12:05, 30 July 2020
- Eragrostis unioloides Wolf Paul M. Peterson Treatment appears in FNA Volume 25. Treatment on page 65. Plants annual or perennial; usually synoecious, sometimes33 KB (1,388 words) - 03:56, 30 July 2020
- 8+, distinct, ± herbaceous bractlets. Involucres ± globose to cylindric, 4–25+ mm diam. Phyllaries usually ± 8 in ± 2 series (usually distinct, rarely connate12 KB (827 words) - 23:22, 29 July 2020
- 24, 28, 33), and blackberries (subg. Rubus, species 1, 4–6, 8, 10, 12, 15, 25, 27, 32, 34, 35, 36, 37). Bailey did not include Dalibarda repens (30. R.35 KB (2,155 words) - 15:31, 15 December 2020
- exposing fruits; stamens usually 5 > 25 24 Perianth lobes 1-3 or absent; fruits largely exposed; stamens 1-3(-5) > 26 25 Plants (at least some parts) with21 KB (878 words) - 09:28, 30 July 2020
- > 25 25 Calyces: tubes 1.5–3 mm, lobes 0.1–0.5 mm, deltate; capsules 3–5 mm; styles 6–9(–10) mm; branches widely spreading. Agalinis divaricata 25 Calyces:23 KB (952 words) - 19:30, 29 July 2020
- scapiform peduncles). Involucres campanulate to hemispheric or broader, 4–25 (–35+) mm diam. Phyllaries persistent, (16–) 20–60 (–80+) in [2–] 3–7+ series18 KB (845 words) - 15:31, 15 December 2020
- Abelmoschus, Talipariti, and Urena), not enclosing bud > 25 25 Involucellar bractlets 3, distinct > 26 25 Involucellar bractlets 4+, distinct or ± connate >20 KB (532 words) - 11:23, 30 July 2020
- Orcuttia, Tuctoria Reeder John R. Reeder Treatment appears in FNA Volume 25. Treatment on page 290. Plants annual; viscid, aromatic. Culms with solid7 KB (646 words) - 04:50, 30 July 2020
- stipitate-glandular). Ray-florets 7–36 (–100) in 1 series; laminae (2–) 4.5–24 (–25) × 0.5–2 mm. Disc corollas usually weakly ampliate, throats narrowly funnelform8 KB (946 words) - 21:01, 29 July 2020
- petals 3, maroon or green, usually shorter than sepals; stamens (3–) 5–15 (–25); carpels 3; style 0–0.5 mm; stigmas 3, dark red, fimbriate-plumose, sometimes11 KB (511 words) - 11:39, 30 July 2020
- velutina, Digitaria violascens Haller J.K. Wipff Treatment appears in FNA Volume 25. Treatment on page 358. Plants annual, perennial, or of indefinite duration23 KB (1,318 words) - 03:56, 30 July 2020
- glabrous or glandular-pubescent or puberulent. Inflorescences usually umbels, 2–25 (–125) -flowered, sometimes solitary flowers; bracts usually ternate. Pedicels21 KB (1,760 words) - 13:05, 30 July 2020
- Leaves: margins usually entire, sometimes denticulate; florets 30–60+ > 25 25 Peduncles stipitate-glandular (not stellate-pubescent); involucres 10–12+26 KB (1,108 words) - 20:14, 29 July 2020
- mm; ovaries: beak abruptly tapering to styles; largest medial blades 8-25 mm > 25 25 Capsules 5.2-9.6 mm; largest medial blades hypostomatous, highly glossy22 KB (876 words) - 12:17, 30 July 2020
- macrantha). Involucres hemispheric to obconic or broadly cylindric, (3–) 5–15 [–25] mm diam. Phyllaries 5–21+ in 1–2 (–3) series (subequal to unequal). Receptacles11 KB (947 words) - 22:31, 29 July 2020
- Involucres cylindro-campanulate to broadly campanulate, (4–14 (–16) ×) 4–25+ mm. Phyllaries 20–140 in 3–7 series, 1-nerved (usually rounded adaxially20 KB (1,017 words) - 22:19, 29 July 2020
- setifolia, Thymophylla tenuiloba, Thymophylla tephroleuca Lagasca Gen. Sp. Pl., 25. 1816. John L. Strother Etymology: Greek thymon, thyme, and phyllon, leaf11 KB (587 words) - 23:33, 29 July 2020
- texanus Roem. & Schult. Jesus Valdes-Reyna Treatment appears in FNA Volume 25. Treatment on page 33. Plants perennial; usually cespitose, often with short11 KB (976 words) - 04:34, 30 July 2020
- glandular-pubescent externally. > 25 25 Cauline leaves 0.5–1(–2) mm wide, blades linear; proximal bracts linear. Penstemon filiformis 25 Cauline leaves (1–)2–2419 KB (771 words) - 19:16, 29 July 2020
- (withering in early summer in subsp. marcescens); rosettes 1–3, in clumps or not, 5–25-leaved, (3–) 6–15 (–35) cm diam.; blade green or gray-blue, usually oblanceolate10 KB (763 words) - 13:01, 30 July 2020
- Mainly in the temperate regions of the Northern Hemisphere Species ca. 27 (25 in the flora). K. K. Mackenzie (1931–1935, parts 2–3, pp. 41–53) combined15 KB (529 words) - 01:49, 30 July 2020
- or if yellow, then (15-)20-25 mm; Colorado, Arizona to California. > 20 20 Sepals (15-)20-25 mm, petal blades 8-17 mm, spurs 25-40 mm; flowers erect; California12 KB (514 words) - 08:29, 30 July 2020
- inflorescence tip leafy; stem indument soft > 25 25 Mericarps 12–14, 3.5–5.5 mm. Sphaeralcea polychroma 25 Mericarps 10, usually 3 mm. Sphaeralcea procera14 KB (589 words) - 11:36, 30 July 2020
- psilopodium Robert W. Freckmann, Michel G. Lelong Treatment appears in FNA Volume 25. Treatment on page 456. Plants annual or perennial; perennials usually cespitose4 KB (1,009 words) - 04:05, 30 July 2020
- abaxially, sometimes also pilose. > 25 25 Corollas 14–20(–22) mm; styles 11–13 mm; capsules 6–11 mm. Penstemon ophianthus 25 Corollas 22–35 mm; styles 17–2421 KB (880 words) - 19:09, 29 July 2020