Search results

• Asteraceae tribe Cardueae
  peduncle bracts). Phyllaries usually persistent [readily falling], in (1–) 3–5+ series, usually distinct, usually unequal, usually herbaceous (sometimes fleshy)
  15 KB (836 words) - 20:05, 29 July 2020
• Funariaceae
  present, basal rhizoids few. Leaves usually larger and more crowded distally, often comose, reduced proximally, usually contorted when dry, spreading when
  12 KB (464 words) - 06:47, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Ecliptinae
  falling, usually 8–40+ in 2–4+ series, usually distinct, usually lanceolate, linear, orbiculate, or ovate, subequal or unequal (outer usually shorter,
  21 KB (800 words) - 22:59, 29 July 2020
• Asteraceae tribe Anthemideae
  aromatic). Leaves usually cauline, sometimes mostly basal; alternate [opposite]; usually petiolate, sometimes sessile; margins usually 1–3-palmately or
  23 KB (1,089 words) - 20:43, 29 July 2020
• Peritoma
  androgynophore (usually expanded adaxially into a gibbous or flattened appendage), glabrous; anthers (linear), coiling as pollen released; gynophore usually recurved
  8 KB (622 words) - 12:06, 30 July 2020
• Thelypodium
  or spreading, usually distinct, very rarely median ones united), not dilated basally; anthers usually linear to linear-oblong, rarely oblong or ovate, (sometimes
  15 KB (841 words) - 12:01, 30 July 2020
• Stanleya
  Annuals, perennials, shrubs, or subshrubs; (base usually woody); not scapose; glabrous or pubescent. Stems usually erect, rarely ascending, unbranched or branched
  11 KB (699 words) - 11:59, 30 July 2020
• Glochidion puberum
  ultimate branchlets distichous; petiole 1–4 mm; blade usually oblong, oblong-ovate, or obovate-oblong, rarely lanceolate, 3–9 × 1–3 cm, base cuneate to obtuse
  5 KB (427 words) - 18:13, 29 July 2020
• Arabidopsis
  or slightly reflexed, slender. Flowers: sepals erect or ascending, usually oblong (or ovate), (lateral pair sometimes saccate or subsaccate basally);
  11 KB (821 words) - 12:22, 30 July 2020
• Smelowskia
  midvein, usually glabrous; replum rounded; septum complete or perforated; ovules 4–18 per ovary; stigma capitate. Seeds plump, not winged, usually oblong, rarely
  12 KB (717 words) - 11:59, 30 July 2020
• Conoclinium betonicifolium
  Stems decumbent or procumbent (rooting at nodes). Leaf-blades usually oblong to oblong-lanceolate or oblanceolate to ovate, sometimes triangular, 2.5–5
  4 KB (428 words) - 22:45, 29 July 2020
• Livistona chinensis
  Inflorescences with single primary-axis and 3 orders of branching. Fruits usually oblong or olive-shaped (rarely globose), ripening from green to blue-green
  4 KB (508 words) - 00:57, 30 July 2020
• Limbella
  to short-excurrent; alar cells undifferentiated; basal laminal cells usually oblong; distal cells subquadrate to rhomboidal, 3–36 × 3–18 µm. Branch leaves
  6 KB (474 words) - 07:44, 30 July 2020
• Euphorbia albomarginata
  yellow to red, usually oblong to reniform, rarely subcircular, 0.2–0.5 × (0.2–) 0.3–0.8 mm; appendages white to pink, flabellate to oblong, 0.3–1 × 0.6–1
  8 KB (592 words) - 18:32, 29 July 2020
• Meteoriaceae
  dark, short. Capsule usually erect, usually exserted, oblong-ovoid to ovoid, symmetric; stomata proximal on capsule; annulus usually indistinct; operculum
  8 KB (292 words) - 07:50, 30 July 2020
• Thelypodium integrifolium
  fruit, (flower buds narrowly oblong). Fruiting pedicels usually horizontal to divaricate, rarely ascending or reflexed, usually straight, rarely incurved
  11 KB (853 words) - 12:01, 30 July 2020
• Helianthus
  conduplicate, usually rectangular-oblong, usually ± 3-toothed, sometimes entire, apices sometimes reddish or purplish). Ray-florets usually 5–30+ (–100+
  32 KB (1,118 words) - 23:14, 29 July 2020
• Entosthodon
  crowded, erect-spreading, reduced in size proximally, oblong-ovate to obovate or spathulate, usually acute or acuminate, sometimes apiculate or piliferous
  12 KB (769 words) - 06:47, 30 July 2020
• Selenia
  ovate, or oblong [sagittate]; nectar glands confluent (extending into spreading teeth). Fruits silicles, sessile or shortly stipitate, usually oblong, elliptical
  10 KB (786 words) - 12:27, 30 July 2020
• Kalmia polifolia
  or puberulent (base ciliate); blade usually oblong to linear, sometimes oval, 1.5–4.5 × 0.3–1.5 cm, margins usually revolute, apex obtuse to acute, abaxial
  7 KB (620 words) - 13:18, 30 July 2020
• Roldana
  corollas yellow or yellow-orange [whitish or ochroleucous] (laminae usually oblong to elliptic). Disc-florets 6–30 [–100+], bisexual, fertile; corollas
  8 KB (563 words) - 21:24, 29 July 2020
• Hypericum frondosum
  internodes 4-lined at first, then 2-lined to terete. Leaf-blades usually oblong to lanceolate-oblong, sometimes oblanceolate, 25–65 × 8–22 mm, base articulated
  6 KB (518 words) - 11:15, 30 July 2020
• Rhamnus davurica subsp. davurica
  adaxially, usually oblong-obovate, sometimes broadly elliptic or ovate to obovate, rarely oblanceolate-elliptic, (4–) 5–10 (–13) cm, usually 2–3 times longer
  6 KB (519 words) - 18:29, 29 July 2020
• Kalmia latifolia
  reddish, usually oblong, 3–3.5 mm, apex acute, surfaces glabrous or stipitate-glandular; petals connate nearly their entire lengths, usually pink (ranging
  7 KB (593 words) - 13:17, 30 July 2020
• Symphyotrichum concolor
  cuspidate mucronate, faces ± densely silky; distal sessile, blades usually oblong to lanceolate, rarely ovate, 9–15 × 1.8–5 mm, reduced distally, bases
  12 KB (743 words) - 21:02, 29 July 2020
• Selenia aurea
  anthers oblong, 1–1.5 mm; gynophore (0.5–) 1–2 (–5) mm, or, rarely, obsolete. Fruits usually oblong to elliptical, rarely suborbicular, usually latiseptate
  8 KB (768 words) - 12:27, 30 July 2020
• Isatis tinctoria
  repand, or dentate, apex obtuse. Cauline leaves: blade usually oblong or lanceolate, rarely linear-oblong, base sagittate or auriculate, apex acute. Fruiting
  7 KB (756 words) - 12:33, 30 July 2020
• Hypericum crux-andreae
  Flora of North America Association Shrubs, usually erect to suberect, rarely decumbent and rooting, usually unbranched, rarely sparsely branched distally
  7 KB (565 words) - 11:15, 30 July 2020
• Descurainia
  Flowers: sepals erect to spreading, ovate to oblong or linear; petals usually obovate or oblanceolate, rarely oblong, (shorter to longer than sepals), claw obsolete
  18 KB (1,258 words) - 12:28, 30 July 2020
• Euphorbia serpillifolia
  or pilose; glands 4, yellow to pink, usually oblong to reniform, 0.1 × 0.2–0.3 mm; appendages white to pink, oblong or flabellate, rarely absent, (0–) 0
  10 KB (777 words) - 18:22, 29 July 2020
• Calliergon richardsonii
  single, usually branched or distally 2-fid, 53–119 µm wide near base, 1/2–9/10 leaf length; alar region sharply delimited, triangular or usually oblong, from
  5 KB (553 words) - 07:46, 30 July 2020
• Melaleuca
  4–80-flowered, pseudoterminal or axillary, usually spikes or clusters, sometimes flowers solitary (monad). Flowers usually 5-merous, sessile, in triplets (triads)
  8 KB (613 words) - 21:04, 7 June 2022
• Arabis
  ascending, ovate or oblong, lateral pair saccate or not basally, (margins membranous); petals white, pink, or purple, usually spatulate, oblong, or oblanceolate
  15 KB (974 words) - 12:07, 30 July 2020
• Eutrema edwardsii
  ovate, 0.2–0.4 mm; gynophore usually 0.2–1 mm, rarely obsolete. Fruits stipitate, not torulose, linear to narrowly oblong, (0.7–) 1–2 (–2.5) cm × 2–3 mm
  10 KB (1,069 words) - 12:32, 30 July 2020
• Argemone
  buds obovoid or oblong; sepal horns usually flattened adaxially. > 14 13 Flower buds usually subglobose, rarely ellipsoid or ellipsoid-oblong; sepal horns
  14 KB (554 words) - 08:36, 30 July 2020
• Tidestromia suffruticosa var. oblongifolia
  Leaf-blades usually oblong (ovate-oblong, circular, lanceolate, or ovate). Internodes of secondary branches subtending involucres in fruit usually reduced
  3 KB (544 words) - 09:42, 30 July 2020
• Conoclinium
  cauline; opposite; petiolate; blades usually 3-nerved from bases, deltate, oblanceolate, ovate, ovate-deltate, oblong, or triangular, margins dentate or
  7 KB (455 words) - 22:45, 29 July 2020
• Lactuca serriola
  undivided cauline leaves usually ± oblong, sometimes obovate to lanceolate, margins denticulate, usually prickly, midribs usually prickly-setose, rarely
  5 KB (590 words) - 20:12, 29 July 2020
• Fragaria virginiana subsp. glauca
  Mentioned on page 278, 279. Stolons usually appressed ascending-hairy, sometimes almost glabrous. Leaves: petiole usually appressed-ascending-hairy, sometimes
  6 KB (647 words) - 14:09, 30 July 2020
• Almutaster
  Phyllaries 22–44 in 3–4 series, 1-nerved (nerve translucent, flat), usually lance-oblong to lanceolate, sometimes ovate, subequal, membranous, margins scarious
  8 KB (599 words) - 20:59, 29 July 2020
• Orthotrichum
  erect to ascending. Leaves usually erect-appressed and straight when dry, spreading to widespreading when moist, ovate, oblong, lanceolate, ligulate, or
  24 KB (641 words) - 07:46, 30 July 2020
• Kalmia cuneata
  midrib usually puberulent. Inflorescences axillary in distal end, racemes or fascicles, 3–10-flowered. Pedicels 1–3 mm. Flowers: sepals usually green,
  7 KB (657 words) - 13:18, 30 July 2020
• Crataegus coccinea
  stamens (5–) 8–10 (–20), anthers pink to rose-purple. Pomes usually bright red, suborbicular to oblong, 10–14 mm, often sparsely pubescent (especially at ends);
  7 KB (867 words) - 14:41, 30 July 2020
• Barbarea orthoceras
  leaves: blade usually lyrate-pinnatifid (sometimes undivided and margins coarsely toothed or subentire), lateral lobes 1–4, (usually oblong or ovate, rarely
  9 KB (880 words) - 12:23, 30 July 2020
• Salix glauca
  hemiamphistomatous or amphistomatous, usually narrowly elliptic, elliptic, usually oblanceolate or obovate, sometimes narrowly oblong or obovate, 27–82 × 6–39 mm
  16 KB (1,072 words) - 12:35, 30 July 2020
• Oenothera cespitosa
  FNA Volume 10. Herbs perennial, acaulescent or caulescent, usually hirsute or villous, usually also glandular puberulent, or exclusively strig­illose, rarely
  14 KB (936 words) - 21:01, 7 June 2022
• Quercus vaseyana
  glabrate. Leaves: petiole to 5 mm. Leaf-blade narrowly lanceolate to usually oblong, mostly planar or slightly convex, 20-60 (-90) × 10-20 mm, often rather
  7 KB (596 words) - 08:27, 30 July 2020
• Chrysopsis highlandsensis
  stipitate-glandular, viscid; cauline sessile, blades usually oblong to oblongelliptic, sometimes ovate to lanceolate, bases usually slightly auriculate-clasping, truncate
  8 KB (712 words) - 21:51, 29 July 2020
• Fragaria vesca subsp. bracteata
  torus wine red, not shiny (skin slightly hirsute), usually oblong-ovoid, sometimes globose, usually not easily separating from hypanthium. 2n = 14. Phenology:
  6 KB (598 words) - 14:09, 30 July 2020
• Andropogon glomeratus var. glaucopsis
  Plants usually oblong in the upper portion, sometimes cylindrical. Culms 1.2-2.2 m; internodes glaucous. Sheaths (1.3) 2.3-3.1 (4.7) mm wide, usually smooth;
  4 KB (863 words) - 04:27, 30 July 2020
• Andropogon glomeratus var. hirsutior
  Pazdírková, Linda A. Vorobik Copyright: Utah State University Plants usually oblong in the upper portion, sometimes cylindrical. Culms 1-2 m; internodes
  4 KB (875 words) - 04:27, 30 July 2020
• Plagiomnium
  erect-spreading, usually flat, occasionally irregularly wavy or transversely undulate when moist, elliptic, obovate, oblong, oblong-lingulate, oblongelliptic
  15 KB (750 words) - 07:41, 30 July 2020
• Salix rotundifolia
  hairs usually wavy, crinkled or curly, rarely straight. Staminate flowers: abaxial nectary 0.5–1 mm, adaxial nectary narrowly oblong or oblong, 0.8–1
  12 KB (934 words) - 12:21, 30 July 2020
• Eriogonum subg. Ganysma
  villous, viscid, or sometimes glandular; taproot usually not woody. Stems spreading to erect, usually without persistent leaf-bases, tomentose, floccose
  30 KB (1,075 words) - 10:46, 30 July 2020
• Euphorbia porteriana
  mat-forming, 15–60 cm, usually glabrous, young branches rarely very sparsely short-pubescent. Leaves opposite; stipules usually distinct, occasionally
  9 KB (685 words) - 18:27, 29 July 2020
• Perityle microglossa var. microglossa
  mm, lobes 0.1–0.2 mm. Cypselae usually linear-oblong to linear-elliptic, rarely narrowly obovate, 1.5–2 mm, margins usually prominently calloused, ciliate;
  7 KB (674 words) - 23:48, 29 July 2020
• Flaveria trinervia
  glomerules setose). Calyculi 0. Involucres oblong and cylindric or angular, 3.8–4.5 mm. Phyllaries usually 2, oblong (closely investing and falling with mature
  7 KB (694 words) - 23:36, 29 July 2020
• Lactuca
  page 216, 258. Annuals or biennials, 15–450+ cm; taprooted. Stems usually 1, usually erect, branched distally or throughout, glabrous or hairy (sometimes
  10 KB (574 words) - 20:12, 29 July 2020
• Phyllanthus urinaria subsp. urinaria
  distichous, well developed; stipules auriculate, pale green; blade usually oblong or oblong-obovate, sometimes linear, 6–25 × 2–9 mm, base obtuse, apex acute
  9 KB (520 words) - 18:28, 29 July 2020
• Quercus similis
  or acute, margins flat, shallowly 2-3-lobed on each side, lobes usually simple, oblong or rounded, rarely spatulate, not cruciform, secondary-veins 3-5
  6 KB (522 words) - 08:23, 30 July 2020
• Triumfetta semitriloba
  ovate to rhombic-ovate, sometimes obscurely 3-lobed, 3–8 cm, distal usually oblong, base rounded, rarely shallowly cordate, margins irregularly serrate-dentate
  6 KB (423 words) - 11:22, 30 July 2020
• Hypericum sect. Brathys
  persistent, (4–) 5; petals persistent, (4–) 5; stamens persistent, (5–) 10–80, usually in continuous or interrupted ring, sometimes in 5 barely discernable fascicles
  10 KB (391 words) - 11:15, 30 July 2020
• Rumex
  Acetosa and Acetosella), occasionally polygamomonoecious, with taproots and usually short caudex, or sometimes rhizomatous and/or stoloniferous. Stems erect
  41 KB (1,085 words) - 10:05, 30 July 2020
• Euphorbia arizonica
  dark maroon, usually oblong to reniform, rarely almost circular, 0.2 × 0.2–0.4 mm; appendages white to pink, oblong, flabellate, oblong, or elliptic,
  8 KB (610 words) - 18:18, 29 July 2020
• Draba sibirica
  mm, (apex emarginate); anthers ovate-subcordate, 0.4–0.5 mm. Fruits usually oblong to elliptic, rarely sublinear, plane, flattened, 4–8 × 1.5–2.2 mm; valves
  7 KB (785 words) - 12:13, 30 July 2020
• Marah
  petals 5, connate 1/2 length, usually white, cream-yellow, or greenish yellow, rarely greenish, triangular to ovate or oblong-ovate, (1–) 2.5–10 (–12) mm
  13 KB (723 words) - 11:19, 30 July 2020
• Carex specifica
  or folded, 14–50 cm × (2.3–) 3–5 mm. Inflorescences usually dense, greenish or gold, usually oblong, 1.9–5 cm × 12–19 mm; proximal internode 2.5–5 (–7)
  8 KB (690 words) - 01:57, 30 July 2020
• Crataegus (sect. Coccineae) ser. Intricatae
  thorns on twigs usually frequent, straight to recurved, 2-years old usually dark gray, almost black, sometimes purple or chestnut-brown, usually slender, (1–)
  16 KB (1,084 words) - 14:44, 30 July 2020
• Heterotheca villosa var. minor
  leaf-blades usually narrowly to broadly oblanceolate or oblong, sometimes ovate (in mountains), (11–) 16–28 (–40) mm, ± reduced distally, bases usually narrowly
  11 KB (1,187 words) - 21:57, 29 July 2020
• Bidens beckii
  attenuate, faces glabrous. Heads usually borne singly. Peduncles (10–) 20–100 mm. Calyculi of 5–6 usually spreading, oblong to obovate bractlets 5–8 mm, margins
  7 KB (688 words) - 23:27, 29 July 2020
• Salix glauca var. cordifolia
  marcescent, rudimentary or foliaceous on early and late ones, usually inconspicuous, oblong to elliptic or ovate, 1–2.1–4 mm, apex acute to caudate; petiole
  13 KB (1,257 words) - 11:54, 30 July 2020
• Chenopodium
  fleshy. Leaves alternate, petiolate or sessile, not fleshy; blade linear, oblong, lanceolate, ovate, triangular, trullate, or rhombic, flattened, not jointed
  19 KB (716 words) - 09:29, 30 July 2020
• Plagiomnium carolinianum
  somewhat spreading when dry, transversely undulate when moist, oblong-lingulate, oblong, or oblongelliptic, 5–8 (–10) mm; base long-decurrent; margins
  7 KB (514 words) - 07:41, 30 July 2020
• Thelypodium laxiflorum
  leaves petiolate; blade usually lanceolate to linear, sometimes oblanceolate to oblong, 1.5–7 (–10) cm × 3–12 (–20) mm, margins usually entire or repand, rarely
  9 KB (792 words) - 12:02, 30 July 2020
• Euphorbia stictospora
  lanate; blade usually oblong to oblong-obovate, occasionally nearly circular, 3–10 (–15) × 2–5 (–10) mm, base asymmetric, one side usually angled or rounded
  9 KB (679 words) - 18:19, 29 July 2020
• Oenothera pilosella
  10–20 mm, stigma exserted beyond anthers at anthesis. Capsules usually oblong-clavate to oblong-ellipsoid or ellipsoid, 4-angled or weakly 4-winged, (5–) 10–15
  8 KB (927 words) - 21:04, 7 June 2022
• Athyrium filix-femina var. asplenioides
  acuminate or ± caudate. Pinnae usually stalked, oblong-lanceolate to lanceolate, base truncate, apex acuminate. Pinnules oblong-lanceolate to narrowly deltate
  5 KB (425 words) - 00:25, 30 July 2020
• Grindelia hirsutula
  lance-oblong, apices usually recurved or straight, sometimes (the outer) looped to hooked or patent, terete or filiform to subulate, or acute, usually all
  25 KB (2,312 words) - 22:29, 29 July 2020
• Waltheria bahamensis
  bronze, or coppery, drying brownish olive, usually broadly oblong to oblong, ovate-oblong, or obovate-oblong, sometimes ovate, to 5 × 3 cm, resinous, base
  12 KB (740 words) - 11:23, 30 July 2020
• Draba
  present. Stems usually erect to ascending, sometimes decumbent or prostrate, unbranched or branched (usually distally). Leaves usually basal and cauline
  85 KB (2,094 words) - 12:08, 30 July 2020
• Asteraceae
  constitute an involucre, usually number 5–21(–50+), usually are unequal (outermost usually shorter than the inner), and usually are arranged ± imbricately
  275 KB (5,940 words) - 15:30, 15 December 2020
• Salix subg. Vetrix
  fragmentation. Stems usually erect or decumbent; branches usually flexible at base, usually not glaucous, (dull to highly glossy). Buds usually alba-type, sometimes
  52 KB (888 words) - 11:54, 30 July 2020
• Deschampsia brevifolia
  (11) cm wide, usually dense, oblong-ovate to narrowly cylindrical; branches 1-3.6 (6) cm, straight, usually stiff, erect to ascending, usually smooth or almost
  8 KB (1,002 words) - 03:28, 30 July 2020
• Asteraceae tribe Cichorieae
  (sap usually milky). Leaves basal and/or cauline; alternate (proximal opposite in Shinnersoseris) [opposite]; petiolate or sessile; margins usually dentate
  30 KB (805 words) - 20:06, 29 July 2020
• Asteraceae tribe Astereae
  1–3+ series; corollas usually present, usually yellow, sometimes white, ochroleucous, or reddish to cyanic. Disc (inner) florets usually bisexual and fertile
  79 KB (1,886 words) - 20:55, 29 July 2020
• Brassicaceae
  anatropous or campylotropous, bitegmic, usually crassinucellate, rarely tenuinucellate. Fruits usually capsular, usually 2-valved ((3 or) 4 (–6) in Rorippa
  107 KB (3,718 words) - 12:07, 30 July 2020
• Caryophyllaceae
  terminal or axillary cymes, thyrses, or capitula, or flowers solitary; bracts usually paired, foliaceous or reduced, herbaceous to scarious, or absent; involucel
  29 KB (1,113 words) - 10:14, 30 July 2020
• Ericaceae
  vines), perennial, deciduous or evergreen, usually autotrophic, sometimes mycotrophic (subfam. Monotropoideae), usually chlorophyllous and autotrophic, sometimes
  33 KB (1,383 words) - 13:10, 30 July 2020
• Saxifragaceae
  eglandular, hairs usually multicellular (unicellular in Astilbe, Saxifragopsis). Leaves usually in basal rosettes, sometimes cauline, usually alternate, sometimes
  27 KB (1,591 words) - 13:14, 30 July 2020
• Physaria
  present, enlarged, usually branched); not scapose; usually pubescent, trichomes usually sessile, sometimes subsessile or shortly stalked, usually stellate, sometimes
  40 KB (1,647 words) - 11:54, 30 July 2020
• Eriogonum
  monomorphic or dimorphic, usually entire apically, rarely emarginate; stamens 9; filaments adnate basally, glabrous or pubescent; anthers usually red to cream or
  22 KB (1,627 words) - 10:29, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Gaillardiinae
  linear, oblong, ovate, or spatulate, often 1–2-pinnately or ternately lobed, ultimate margins entire or toothed, faces glabrous or hairy, usually glanddotted
  13 KB (688 words) - 22:34, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Coreopsidinae
  cymiform, or paniculiform arrays. Calyculi usually of 3–8 (–21+) bractlets or bracts (usually ± herbaceous, usually shorter than phyllaries and/or reflexed
  12 KB (744 words) - 23:22, 29 July 2020
• Calochortus
  ovate to lanceolate, usually petaloid and glabrous; petals 3, distinct, usually longer and broader than sepals, sometimes clawed, usually hairy adaxially,
  21 KB (685 words) - 05:34, 30 July 2020
• Dryopteridaceae
  circinate in bud, monomorphic or dimorphic. Petiole usually not articulate to stem, scales usually persistent at base, in cross-section with 2–many roundish
  15 KB (567 words) - 00:33, 30 July 2020
• Sida
  ulmifolia), petiolate or subsessile; stipules persistent, usually linear to lanceolate or falcate; blade usually unlobed (lobed with maplelike leaves in S. hermaphrodita)
  13 KB (672 words) - 11:32, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
  hemispheric to rotate. Phyllaries usually persistent, 4–60+ in 1–4+ series (usually erect at flowering, usually reflexed in fruit, usually distinct, basally coherent
  17 KB (818 words) - 23:57, 29 July 2020
• Crataegus sect. Coccineae
  (5–) 30–110 (–150) dm. Stems: trunks 1–several, ± erect to oblique, bark usually flattened-scaly, sometimes corrugated or thin-exfoliating; compound thorns
  28 KB (995 words) - 14:38, 30 July 2020
• Sedum
  Stems erect, ascending, procumbent, or creeping, usually much-branched, sometimes succulent, usually hardly secondarily thickened, base sometimes slightly
  21 KB (778 words) - 13:02, 30 July 2020
• Erigeron
  style-branch appendages mostly deltate (papillate). Cypselae (tan) oblong to oblong-obovoid, compressed to flattened, 2 (–4) -nerved, or subterete, 5–14-nerved
  97 KB (2,063 words) - 21:58, 29 July 2020
• Eriogonum subg. Eucycla
  scabrellous; bracts usually 3, connate basally, usually scalelike, sometimes semileaflike or leaflike. Peduncles absent or erect, usually stout. Involucres
  80 KB (1,352 words) - 10:29, 30 July 2020
• Grossulariaceae
  partially adnate to ovary, free distally; sepals usually 5 (R. speciosum 4), connate proximally; petals usually 5 (R. speciosum 4), distinct; nectary disc present;
  7 KB (319 words) - 13:12, 30 July 2020
• Euphorbia sect. Anisophyllum
  monomorphic, base usually asymmetric, rarely symmetric, margins entire or variously toothed, surfaces glabrous or hairy; venation usually palmate or palmate
  36 KB (819 words) - 18:21, 29 July 2020
• Caryophyllaceae subfam. Caryophylloideae
  (–10) valves or teeth; carpophore usually present. Seeds 4–150 (–500+), reddish to gray or often brown or black, usually reniform and laterally compressed
  11 KB (721 words) - 10:22, 30 July 2020
• Caryophyllaceae subfam. Alsinoideae
  or often brown or black, usually reniform or triangular to circular and laterally compressed or ovoid to globose, rarely oblong and dorsiventrally compressed
  11 KB (765 words) - 10:56, 30 July 2020
• Orthotrichaceae
  ovatelanceolate, ligulate-oblong, or lanceolate-linear, ± channeled; base not decurrent (decurrent in Zygodon); margins usually plane to revolute, rarely
  14 KB (382 words) - 07:42, 30 July 2020
• Grimmiaceae
  or not. Seta short to long, smooth or rarely papillose. Capsule usually erect, usually ovoid, obloid, cylindrical or cupulate, symmetric or rarely strongly
  13 KB (824 words) - 06:47, 30 July 2020
• Pottiaceae
  rarely concave, mostly ca. 1.5–3.5 mm; base usually ovate to oblong, occasionally sheathing the stem; margins usually recurved proximally, occasionally plane
  28 KB (882 words) - 07:00, 30 July 2020
• Prunus
  margins toothed to lobed, usually glandular; petiole present or absent, usually glandular near blade; blade elliptic, oblong, suborbiculate, ovate, lanceolate
  43 KB (1,828 words) - 14:17, 30 July 2020
• Ericaceae subfam. Ericoideae
  Leaves deciduous or persistent, usually alternate, sometimes opposite, whorled, or spirally arranged; petiole usually present; blade plane or acicular
  8 KB (417 words) - 12:54, 30 July 2020
• Rosa
  terminal petiolulate, elliptic to obovate, ± oblong, obovate-elliptic, lanceolate-elliptic, or obovate-oblong, margins flat, serrate, crenate, or incised
  23 KB (1,822 words) - 13:48, 30 July 2020
• Symphyotrichum
  outer sometimes foliaceous, bases usually indurate, margins usually scarious, erose, hyaline or not, (apices usually with a well-defined green zone, sometimes
  62 KB (1,546 words) - 15:28, 15 December 2020
• Orchidaceae
  subterranean, usually green and photosynthetic, some without chlorophyll and saprophytic. Roots subterranean or aerial, tuberoid or stolonoid, usually with spongy
  41 KB (2,210 words) - 05:19, 30 July 2020
• Symphyotrichum subg. Symphyotrichum
  Annuals or perennials, eglandular; usually rhizomatous, sometimes taprooted. Stems usually not brittle at maturity, usually proximally glabrous or glabrate
  7 KB (663 words) - 21:03, 29 July 2020
• Asteraceae tribe Heliantheae
  Leaves usually cauline, sometimes mostly basal or basal and cauline; usually wholly or partly opposite, sometimes mostly whorled or alternate; usually petiolate
  30 KB (1,803 words) - 22:30, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Helianthinae
  sometimes hemispheric or conic, usually paleate (epaleate in Lagascea; paleae usually falling, sometimes persistent, mostly oblong to linear, often conduplicate
  10 KB (633 words) - 23:14, 29 July 2020
• Rosaceae tribe Roseae
  hypanthium ovoid, oblong, globose to cupulate or urceolate, rarely obovoid or hemispheric, with or without distinct necks; torus usually absent, conic if
  4 KB (289 words) - 13:48, 30 July 2020
• Lepidium
  persistent), usually ovate or oblong, rarely suborbicular; petals (erect or spreading, sometimes rudimentary or absent), obovate, spatulate, oblong, oblanceolate
  29 KB (1,412 words) - 12:33, 30 July 2020
• Brickellia
  3–7 (–9) series, usually (4–) 5–6 (–16) -striate or nerved, linear or lanceolate to oblanceolate or oblong, usually unequal (usually chartaceous, sometimes
  17 KB (617 words) - 22:47, 29 July 2020
• Orobanchaceae
  whorled, or spiral, simple; stipules absent; petiole present or absent; blade usually not fleshy or leathery, rarely fleshy, leathery, or chartaceous, margins
  19 KB (841 words) - 19:24, 29 July 2020
• Grimmiaceae subfam. Grimmioideae
  present or absent. Leaves erect or distally curved, rarely crisped, broadly oblong-ovate, ovatelanceolate, or narrowly lanceolate; margins plane, incurved
  11 KB (588 words) - 06:48, 30 July 2020
• Atriplex
  wrote: “Like 4 [i.e., A. hortensis] but the leaves white beneath; bracteoles oblong-cordate, conspicuously reticulate-veined.” Specimens having at least some
  45 KB (1,022 words) - 09:34, 30 July 2020
• Cardamine
  Flowers: sepals (caducous), usually erect, rarely spreading or ascending, ovate or oblong, lateral pair saccate or not basally, (usually glabrous, rarely pubescent);
  23 KB (1,239 words) - 12:23, 30 July 2020
• Streptanthus
  cluster of sterile flowers, usually ebracteate, sometimes bracteate), usually elongated in fruit. Fruiting pedicels usually divaricate-ascending, rarely
  23 KB (1,011 words) - 12:00, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae
  blades mostly deltate, elliptic, lanceolate, linear, lyrate, oblanceolate, oblong, ovate, pandurate, or spatulate, often 1–2-pinnately lobed or pinnatifid
  9 KB (600 words) - 23:53, 29 July 2020
• Amblystegiaceae
  axillary hairs usually well developed. Stem-leaves straight, falcate, or squarrose, plicate or not; costa single, usually long, or double and usually short; alar
  21 KB (586 words) - 07:42, 30 July 2020
• Malvaceae subfam. Malvoideae
  Sidastrum, and Sphaeralcea; blade usually symmetric, asymmetric in Malvella, sometimes asymmetric in Pavonia, usually unlobed, sometimes palmately lobed
  20 KB (532 words) - 11:23, 30 July 2020
• Solidago
  series, midnerves usually ± swollen and translucent, sometimes plus 2–5 secondary nerves (striate, flat), linear-lanceolate to oblong or ovate, unequal
  18 KB (1,000 words) - 21:32, 29 July 2020
• Liatris
  cauline; alternate; ± petiolate (basal) or sessile (usually appressed to ascending); blades usually 1-nerved, sometimes 3-nerved or 5-nerved, mostly linear
  24 KB (826 words) - 22:52, 29 July 2020
• Arctostaphylos
  hairy, sometimes glandular. Leaves (usually spreading, sometimes erect, sometimes overlapping when petiole short), usually isofacial, sometimes bifacial in
  41 KB (2,034 words) - 13:11, 30 July 2020
• Rosa subg. Rosa
  margins usually serrate, rarely deeply incised or broadly crenate, terminal: petiolule (1–) 5–20 (–40) mm, blade elliptic, lanceolate, oblong, ovate, suborbiculate
  5 KB (546 words) - 13:49, 30 July 2020
• Asteraceae tribe Eupatorieae
  vines [trees]. Leaves usually cauline, sometimes basal or basal and cauline; usually opposite, sometimes whorled or alternate; usually petiolate, sometimes
  17 KB (728 words) - 22:41, 29 July 2020
• Salix subg. Chamaetia
  or decumbent; branches flexible at base, usually not glaucous (usually slightly or highly glossy). Buds usually arctica-type (alba-type in S. athabascensis)
  22 KB (876 words) - 12:17, 30 July 2020
• Leskeaceae
  foliose to linear or peglike; rhizoids few, usually arising from base of leaves. Stem and branch leaves usually similar, rarely differentiated. Stem-leaves
  16 KB (613 words) - 07:45, 30 July 2020
• Carex (section Key D. Spikes 2+ per culm; at least some flowers pistillate; stigmas (2–)3(–4); achenes usually trigonous in cross section; body of perigynium pubescent to hispid, sometimes papillose, papillae longer than wide)
  inflorescences were usually spicate or racemose, although more complex inflorescences occurred, especially in Asia. Subgenus Indocarex usually had bisexual spikes
  80 KB (3,349 words) - 15:29, 15 December 2020
• Eupatorium
  (–4+) series, (usually green) 2–3-nerved, or not notably nerved, or pinnately nerved, elliptic, lanceolate, oblong, or obovate, usually unequal, sometimes
  17 KB (791 words) - 22:42, 29 July 2020
• Polygalaceae
  terres­trial, usually unarmed (sometimes thorns present as modified tips of racemes in Rhinotropis), sometimes clonal. Rootstock usually brownish to whitish
  16 KB (1,157 words) - 21:03, 7 June 2022
• Splachnaceae
  large; basal-cells oblong; distal cells oblong or oblong-hexagonal. Perichaetia with leaves similar, often larger. Seta erect, usually elongate, thin or
  9 KB (361 words) - 07:32, 30 July 2020
• Cupressaceae
  page 399. Trees or shrubs evergreen (usually deciduous in Taxodium), generally resinous and aromatic, monoecious (usually dioecious in Juniperus). Bark fibrous
  17 KB (1,137 words) - 00:30, 30 July 2020
• Castilleja
  distally, usually as in bracts, contrasting with bracts in a few species, radially or bilaterally symmetric, tubular, lobed distally in usually diagnostic
  79 KB (2,746 words) - 18:50, 29 July 2020
• Coreopsis
  4–25+ mm diam. Phyllaries usually ± 8 in ± 2 series (usually distinct, rarely connate ± 1/10 their lengths, mostly oblong to linear, ± membranous, margins
  12 KB (827 words) - 23:22, 29 July 2020
• Rosaceae
  deciduous, basal and/or cauline, usually alternate, rarely opposite, simple or compound (palmate or imparipinnate); stipules usually present, sometimes absent;
  23 KB (1,553 words) - 13:58, 30 July 2020
• Fissidens
  hexagonal, changing little when dry, to large, thin-walled, hexagonal to oblong cells, usually shrunken when dry [rarely prosenchymatous]. Specialized asexual reproduction
  33 KB (1,761 words) - 06:53, 30 July 2020
• Boechera
  lateral glands semiannular or annular. Fruits usually sessile, rarely shortly stipitate, usually linear, rarely oblong or lanceolate, straight or falcate, smooth
  73 KB (2,294 words) - 12:15, 30 July 2020
• Potentilla
  sometimes glandular; usually short-rhizomatous, sometimes stoloniferous. Stems 1–many, prostrate to erect, sometimes rooting at nodes, usually ± green, sometimes
  31 KB (1,939 words) - 13:53, 30 July 2020
• Ericameria
  1–18, pistillate, fertile; corollas usually yellow (white in E. gilmanii and E. resinosa), (laminae elliptic to oblong, apices shallowly notched or toothed)
  23 KB (1,156 words) - 22:11, 29 July 2020
• Ludwigia
  pneumatophores, usually branched. Leaves cauline, usually alternate, rarely opposite; stipules present, often deciduous, usually dark reddish green; usually petiolate
  30 KB (1,654 words) - 21:01, 7 June 2022
• Linum
  oblanceolate, elliptic, oblong, obovate, spatulate, or awl-shaped, margins glandular-toothed or entire, sometimes ciliate. Inflorescences usually panicles, racemes
  10 KB (551 words) - 18:27, 29 July 2020
• Botrychium
  Trophophores ascending to perpendicular to stem, sessile or stalked; blades linear, oblong, or deltate, simple to 5-pinnate, 4–25 × 1–35 cm. Pinnae (reduced to segments
  19 KB (579 words) - 15:29, 15 December 2020
• Euphorbiaceae
  1–32+. Fruits usually capsules, dehiscence septicidal, (usually schizocarpic with cocci separating from persistent columnella, coccus usually dehiscent loculicidally)
  24 KB (1,347 words) - 18:25, 29 July 2020
• Malacothrix
  Stems 1–15 (usually from basal rosettes), usually erect, sometimes ± prostrate, usually branched (scapiform in M. californica), usually glabrous (sometimes
  16 KB (748 words) - 20:19, 29 July 2020
• Rosa sect. Rosa
  adnate to petiole, auricles usually flared or erect, margins entire or serrate, sometimes serrulate, undulate, or sinuate, usually glandular; leaflets (3–)
  24 KB (1,103 words) - 13:51, 30 July 2020
• Pyrrocoma
  appressed to loosely spreading, 1-nerved, oblanceolate to oblong or linear, equal or unequal, usually herbaceous and yellow-green or with distinct, green apical
  15 KB (811 words) - 22:27, 29 July 2020
• Symphyotrichum subg. Virgulus
  ± foliaceous, bases usually indurate, green zones usually diamond-shaped, sometimes lanceolate or apices foliaceous (faces usually hairy, sometimes glabrous
  8 KB (946 words) - 21:01, 29 July 2020
• Rorippa
  or emarginate); stamens usually tetradynamous, rarely 4 and equal; anthers usually ovate or oblong, rarely linear, (apex usually obtuse, rarely apiculate);
  22 KB (1,325 words) - 12:26, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Peritylinae
  Cypselae linear or cuneiform to oblong or oblanceolate, strongly flattened or weakly 3–4-angled (callous-margined, usually ciliate); pappi 0, or persistent
  7 KB (521 words) - 23:47, 29 July 2020
• Mentzelia
  curved, sometimes S-shaped; sepals persistent. Seeds (1–) 2–60+, ovoid, oblong, bottle-shaped, pyriform, irregularly polygonal, or trigonal prisms, dorsiventrally
  16 KB (1,025 words) - 18:17, 29 July 2020
• Micranthes
  5 mm, usually green, rarely purplish; sepals 5, green, sometimes reddish at tips; petals 5 (absent or 1–5 in M. apetala, M. subapetala), usually white
  27 KB (988 words) - 13:15, 30 July 2020
• Thelypteridaceae
  globose-tetrahedral and trilete], usually with a prominent, crested, echinate, or reticulate perispore. Gametophytes green, cordate, usually hairy or glandular; antheridia
  7 KB (310 words) - 00:34, 30 July 2020
• Oenothera
  anthesis; petals (3 or) 4, usually yellow, purple, or white, rarely pink or red, sometimes base pale green to yellow, usually fading orange, purple, pale-yellow
  26 KB (2,106 words) - 21:01, 7 June 2022
• Grimmia
  mats, olivaceous, dark black-green to rusty-redbrown. Leaves broadly oblong-ovate, oblong-lanceolate, to narrowly ovatelanceolate, rarely ligulate, concave
  25 KB (759 words) - 06:48, 30 July 2020
• Croton
  basally, unbranched, 2-fid, or multifid. Fruits usually capsules (achenes in C. michauxii). Seeds ellipsoid, oblong, ovoid, globose, or lenticular; caruncle present
  24 KB (874 words) - 18:18, 29 July 2020
• Penstemon
  short-campanulate, rarely short-tubular, lobes ± ovate, lanceolate, round, elliptic, oblong, obovate, oblanceolate, truncate, linear, or orbiculate; corolla ± white
  20 KB (1,850 words) - 19:05, 29 July 2020
• Polypodiaceae
  scales and few to numerous roots, usually dictyostelic. Leaves monomorphic to dimorphic, circinate in bud. Petiole usually articulate at base [rarely nonarticulate
  9 KB (348 words) - 00:33, 30 July 2020
• Horkelia
  strongly reflexed, usually lanceolate, sometimes ovate to triangular; petals 5, usually white, sometimes pink to rose-veined or cream, usually narrowly oblanceolate-elliptic
  16 KB (987 words) - 14:06, 30 July 2020
• Senecio
  hairy (usually arachnose to tomentose, often glabrescent). Heads (sometimes nodding) usually radiate or discoid (rarely quasi-disciform), usually in corymbiform
  30 KB (1,295 words) - 21:10, 29 July 2020
• Dudleya subg. Dudleya
  farinosa), free margin of each petal usually connivent to adjacent petals (usually not connivent in D. farinosa); pistils usually connivent and erect in flower
  10 KB (581 words) - 12:54, 30 July 2020
• Artemisia
  perennials, subshrubs, or shrubs, 3–350 cm (usually, rarely not, aromatic). Stems 1–10+, usually erect, usually branched, glabrous or hairy (hairs basi or
  14 KB (1,396 words) - 20:45, 29 July 2020
• Cirsium
  apices spreading to erect, usually spine-tipped, innermost usually with erect, flat, often twisted, entire or dentate, usually spineless apices (distal portion
  60 KB (2,205 words) - 13:43, 10 February 2021
• Saxifraga
  reduced; stipules absent; petiole absent or present; blade obovate, oblong, oblong-obovate, elliptic, linear, spatulate, or oblanceolate to ovate, reniform
  21 KB (1,151 words) - 12:59, 30 July 2020
• Tradescantia
  Capsules 3-valved, 3-locular. Seeds 2 per locule (1 in T. spathacea); hilum oblong to linear; embryotega abaxial to lateral. x = 6–8, probably others. Neotemperate
  17 KB (671 words) - 00:52, 30 July 2020
• Plantaginaceae
  yellow, gray, black, maroon, or red, ovoid to ellipsoid, cylindric, globular, oblong, conic, disciform, patelliform, or angled; embryo straight, rarely curved
  26 KB (1,000 words) - 19:24, 29 July 2020
• Ranunculus
  sometimes purple, yellow, or white, plane (base saccate in R. ficaria), oblong to elliptic, ovate, or lanceolate, 1-15 mm; petals 0-22 (-150), distinct
  15 KB (560 words) - 08:33, 30 July 2020
• Mniaceae
  plagiotropic, usually simple, sometimes branched distally, rarely dendroid; rhizoids brown or reddish-brown, of two types, macronemata larger and usually strongly
  16 KB (638 words) - 07:40, 30 July 2020
• Poaceae tribe Poeae
  internodes usually hollow. Sheaths usually open for most of their length, sometimes closed; collars without tufts of hair on the sides; auricles usually absent;
  45 KB (1,179 words) - 03:07, 30 July 2020
• Rudbeckia
  petiolate or sessile; blades mostly lanceolate to oblanceolate overall, usually 1–3-pinnately lobed or pinnatisect, ultimate margins toothed or entire,
  11 KB (696 words) - 15:28, 15 December 2020
• Lythraceae
  4–8, valvate, usually deltate, sometimes subulate in Lythrum, alternating with segments of epicalyx or epicalyx absent; petals usually caducous or deciduous
  18 KB (801 words) - 21:03, 7 June 2022
• Platanthera
  Inflorescences solitary, terminal, lax to dense spikes. Flowers few-to-many, usually resupinate (not resupinate in P. nivea), sometimes showy; petals entire
  17 KB (518 words) - 05:23, 30 July 2020
• Chylismia
  FNA Volume 10. Herbs,usually annual, sometimes perennial, rarely biennial, usually caulescent. Stems ascend­ing to erect, usually branched. Leaves basal
  10 KB (787 words) - 21:04, 7 June 2022
• Ceanothus subg. Ceanothus
  thorn-tipped or not. Leaves alternate; stipules deciduous, thin; blade usually herbaceous, sometimes leathery, margins entire or teeth gland-tipped, at
  15 KB (437 words) - 18:13, 29 July 2020
• Crataegus (sect. Coccineae) ser. Rotundifoliae
  1-year old usually golden green to tan, sometimes deep reddish-brown or gray-brown, older graying; thorns on twigs usually numerous, usually ± recurved
  20 KB (1,294 words) - 13:44, 30 July 2020
• Hypericum sect. Myriandra
  deciduous or persistent, (2–) 4–5; petals deciduous, (3–) 4–5; stamens usually persistent, sometimes deciduous, 30–650, in continuous ring or in 4–5 barely
  13 KB (445 words) - 11:15, 30 July 2020
• Viola
  or 2 (–3) and scarcely developed, stamens 2, usually adherent to style. Capsules ovoid, ellipsoid, oblong, spherical, or subglobose, glabrous, puberulent
  39 KB (2,374 words) - 11:16, 30 July 2020
• Bartramiaceae
  rounded-quadrate, oblong, rectangular, or linear, prorulose or mammillose at one or both ends, rarely centrally papillose or smooth, walls usually firm, usually enlarged
  11 KB (380 words) - 07:34, 30 July 2020
• Hypericum
  internodes terete (not lined) or 2-lined, 4-lined, or 6-lined at first (lines usually raised), then sometimes becoming angled, terete, or winged; bark smooth
  13 KB (922 words) - 11:15, 30 July 2020
• Eriogonum subg. Oregonium
  scalelike. Peduncles usually absent, when present restricted to proximal nodes, erect, straight, slender. Involucres 1 per node, usually appressed to the inflorescence
  19 KB (884 words) - 10:50, 30 July 2020
• Crataegus (sect. Coccineae) ser. Lacrimatae
  630, 631, 632. Shrubs or trees, 5–70 (–100) dm, usually main trunk dominant. Stems: trunk bark usually dark-brown to dark gray or black, sometimes ashy
  22 KB (1,233 words) - 13:46, 30 July 2020
• Heterotheca
  in 3–5 series, 1-nerved (usually raised; keeled proximally), lanceolate to linear-lanceolate, usually strongly unequal (usually stiff), margins scarious
  25 KB (1,511 words) - 21:54, 29 July 2020
• Braya
  dentate, or, rarely, pinnately lobed; cauline usually absent, rarely few present, (sub) sessile, blade margins usually entire, rarely dentate or pinnately lobed
  13 KB (760 words) - 12:30, 30 July 2020
• Oxalis
  sale via the Internet. They are usually grown as container plants and need sun for flowering. Oxalate deposits, usually as orange or blackish dots or stripes
  23 KB (1,013 words) - 18:29, 29 July 2020
• Chylismia sect. Chylismia
  Herbs usually annual, sometimes perennial, rarely biennial. Leaves basal and cauline, usually with well-developed basal rosette; blade usually pinnately
  11 KB (951 words) - 21:04, 7 June 2022
• Bidens
  Stems usually 1, usually erect, (terete or 4-angled, often striate or sulcate) branched distally or ± throughout. Leaves usually cauline; usually opposite
  22 KB (1,036 words) - 23:27, 29 July 2020
• Xanthisma
  lobes, and teeth apiculate to bristle-tipped, bristles 1–4 mm), faces usually glabrous, hispid, hispidulous, or villous, sometimes also stipitate-glandular
  13 KB (844 words) - 22:21, 29 July 2020
• Nyctaginaceae
  glabrous or pubescent. Inflorescences terminal or lateral in leaf-axils, usually cymose or racemose, open or congested, bracteate; bracts distinct or connate
  20 KB (1,275 words) - 09:16, 30 July 2020
• Neckeraceae
  widely erect, erect-spreading, or spreading, ovate, ovate-ligulate, oblong-ligulate, oblong-ovate, or ovatelanceolate, symmetric or asymmetric, flat or undulate
  14 KB (449 words) - 07:55, 30 July 2020
• Amelanchier
  entire; petiole present; blade elliptic, elliptic-oblong, elliptic-oval, ovate, oval, oblanceolate, oblong, oblong-ovate, obovate, quadrangular, suborbiculate
  22 KB (1,558 words) - 13:48, 30 July 2020
• Baccharis
  monoecious], usually glabrous, often resinous; bases woody, rarely rhizomatous). Stems (1–20+) usually erect or ascending, rarely prostrate (usually striate-angled
  19 KB (1,032 words) - 15:27, 15 December 2020
• Chenopodiaceae
  absent or 1–5, usually as many as and opposite perianth lobes; pistils absent or (1–) 2 (–3); styles 1–3, sometimes with stylopodium; ovary usually superior
  21 KB (878 words) - 09:28, 30 July 2020
• Eriogonum subg. Oligogonum
  aerial flowering-stems prostrate or decumbent to erect, slender to stout, usually solid or hollow, sometimes fistulose, not disarticulating in ringlike segments
  24 KB (947 words) - 10:41, 30 July 2020
• Didymodon
  occasionally shortly rectangular or rhomboid, usually 8–13 µm wide, 1: 1, 1-stratose, papillae usually simple to 2-fid, usually solid, with 3–5 projections, occasionally
  28 KB (1,343 words) - 07:04, 30 July 2020
• Bryaceae
  perichaetial leaves same size as vegetative leaves or usually larger, sometimes forming rosette, inner leaves usually highly differentiated, often narrower, costa
  20 KB (757 words) - 07:35, 30 July 2020
• Lilium
  color variable but usually pale green or nearly translucent; anthers versatile, color variable, usually purplish, becoming darker, oblong, 0.3–2.6 cm; pollen
  37 KB (2,628 words) - 05:42, 30 July 2020
• Euphorbia
  and with spongy mesocarp in E. lathyris [drupes]. Seeds globose to ovoid, oblong, cylindric, deltoid, pyramidal, or bottle-shaped; caruncle present or absent
  18 KB (1,360 words) - 18:28, 29 July 2020
• Poaceae tribe Oryzeae
  2; anthers usually 6 (1-16); styles 2, bases fused or free, stigmas linear, plumose. Fruits usually caryopses, sometimes achenes, ovoid, oblong, or cylindrical;
  9 KB (719 words) - 02:55, 30 July 2020
• Botrychium subg. Botrychium
  simplex), blade usually 1 per plant, appearing in spring and dying in summer or fall, absent during winter, mostly linear to oblong to oblong deltate (deltate
  5 KB (560 words) - 00:23, 30 July 2020
• Selaginella
  fully erect, articulate or not, slightly to greatly branched. Rhizophores usually present, stout or filiform. Roots branching several times dichotomously
  9 KB (681 words) - 00:31, 30 July 2020
• Erysimum
  present or absent. Fruits usually sessile, rarely shortly stipitate (gynophore to 4 mm), usually linear or narrowly so [oblong], smooth or torulose, (keeled
  17 KB (1,002 words) - 12:29, 30 July 2020
• Calliergonaceae
  axillary hairs usually well developed. Stem-leaves straight or falcate, or from straight base suddenly curved, plicate or not; costa single, usually long, or
  12 KB (455 words) - 07:46, 30 July 2020
• Ivesia
  to lanceolate or elliptic, margins usually entire, cauline sometimes lobed; petiole present; blade narrowly oblong to filiform, planar to cylindric, 0
  19 KB (1,253 words) - 14:03, 30 July 2020
• Grimmiaceae subfam. Racomitrioideae
  spreading, straight or curved, sometimes recurved when wet, lanceolate to oblong-lanceolate, less often elliptic, ovate to lingulate, keeled to canaliculate-concave;
  11 KB (655 words) - 06:51, 30 July 2020
• Paronychia
  subulate to linear-oblong, lanceolate, spatulate, or ovate, 0.4–4.5 mm, margins translucent to white, scarious or papery, apex defined by a usually prominent adaxial
  21 KB (1,113 words) - 10:32, 30 July 2020
• Eurybia
  becoming woody). Stems ascending to erect, usually simple, rarely branched proximally, glabrous or ± densely hairy, usually eglandular, sometimes stipitate-glandular
  20 KB (1,017 words) - 22:19, 29 July 2020
• Silene
  lobes green or purplish, 1–5-veined, broadly triangular to lance-oblong or linear, usually shorter than tube, margins whitish, scarious, apex acute to obtuse;
  36 KB (1,364 words) - 10:24, 30 July 2020
• Agave
  lobes erect or curved, equal to unequal in length and/or width, linear to oblong or deltate, often papillate at recurved or hooded apex; stamens 6, exserted
  24 KB (1,110 words) - 06:12, 30 July 2020
• Crataegus
  Shrubs or trees, usually main trunk dominant, 3–120 dm. Stems usually 1 in larger plants, more in smaller plants, outer spreading; bark usually checked into
  26 KB (2,400 words) - 15:31, 15 December 2020
• Iridaceae
  membranous, not reaching much above ground; others with open or closed sheaths, usually unifacial [bifacial or terete], oriented edgewise to the stem; blade parallel-veined
  15 KB (556 words) - 06:04, 30 July 2020
• Sorbus
  ovate to oblong, 5–33 cm, membranous to slightly leathery, leaflets 0 or 7–17 (–19), usually opposite, rarely alternate, elliptic, ovate, oblong to lanceolate
  21 KB (1,208 words) - 14:28, 30 July 2020
• Pseudognaphalium
  (opaque or hyaline, dull or shiny; stereomes usually green, usually sessile-glandular distally), unequal, usually chartaceous toward tips. Receptacles flat
  17 KB (673 words) - 20:34, 29 July 2020
• Polygala
  [mat-forming], usually not glaucous, usually glabrous, sometimes pubescent or glabrate. Leaves basal and/or cauline, sometimes rosulate; usually alternate,
  19 KB (903 words) - 21:03, 7 June 2022
• Polygonaceae subfam. Eriogonoideae
  branched, or racemose, simple or compound umbellate, or capitate; bracts usually connate proximally, leaflike or scalelike, entire apically, sometimes awn-tipped
  21 KB (927 words) - 10:29, 30 July 2020
• Thelypteris
  branched hairs on blades, rachises and costae with or usually without scales. Sori round, oblong, or elongate along veins, commonly medial to supramedial;
  14 KB (584 words) - 00:28, 30 July 2020
• Cheilanthes
  of North America Association Plants usually on rock. Stems compact to long-creeping, ascending to horizontal, usually branched; scales brown to black or
  22 KB (1,068 words) - 00:28, 30 July 2020
• Perityle sect. Laphamia
  linear-lanceolate, oblanceolate or oblong to oblanceolate, flattened, often obscurely rounded or angled on 1 or both surfaces, margins usually inconspicuously calloused
  11 KB (583 words) - 23:49, 29 July 2020
• Caulanthus
  scapose; (usually glaucous), glabrous or pubescent, trichomes usually simple, rarely mixed with fewer, stalked, 2-rayed ones. Stems usually erect or ascending
  16 KB (997 words) - 11:59, 30 July 2020
• Lasthenia
  Phyllaries usually persistent, sometimes falling with cypselae, 4–18 in 1 (–2) series (usually ± erect in fruit, distinct or ± connate, narrowly oblong to broadly
  11 KB (916 words) - 23:52, 29 July 2020
• Diplacus
  revolute, venation palmate to subpinnate. Inflorescences axillary, flowers usually at medial to distal nodes, 0 or 1 (or 2) in each axil, thus 1 or 2 (–4)
  28 KB (1,133 words) - 19:01, 29 July 2020
• Allium
  membranous. Leaves generally withering from tip by anthesis, usually persistent, 1–12, basal; blade usually linear, terete, channeled, or flat (carinate in A. sativum
  43 KB (1,553 words) - 05:48, 30 July 2020
• Rhamnus
  present. Flowers usually unisexual, rarely some bisexual (plants polygamous); hypanthium campanulate to cupulate, 2–3 mm wide, usually not circumscissile
  12 KB (452 words) - 18:31, 29 July 2020
• Ribes
  on page 9. Mentioned on page 8, 10, 44. Shrubs usually synoecious (R. diacanthum dioecious). Stems usually differentiated into short-shoots and long-shoots
  23 KB (1,464 words) - 13:16, 30 July 2020
• Lythrum
  sessile or subsessile; blade ovate, obovate, oblong, oblong-lanceolate, lanceolate, oblanceolate, linear, linear-oblong, linear-lanceolate, orbiculate, or suborbiculate
  13 KB (713 words) - 21:03, 7 June 2022
• Collinsia
  septicidal and loculicidal. Seeds 2–16, reddish-brown, brown, or cinnamon red, oblong, ellipsoid, ovoid, or globular, rarely prismatic or hourglass-shaped, margins
  16 KB (737 words) - 19:04, 29 July 2020
• Eucephalus
  page 39. Mentioned on page 13, 16. Perennials, 10–160 cm (usually cespitose, induments usually of stipitate-glandular and smooth-surfaced, curved or twisted
  12 KB (637 words) - 21:48, 29 July 2020
• Sphaeralcea
  spur, distally extended or not, usually smooth, apex cuspidate, truncate, or acute, with or without seeds, proximally usually rugose-reticulate and indehiscent
  14 KB (589 words) - 11:36, 30 July 2020
• Primula
  obscure petioles, blades thick, glabrous, usually with relatively few marginal teeth, corollas that are usually magenta to bluish or rose-pink, rarely white
  25 KB (2,084 words) - 13:06, 30 July 2020
• Asplenium
  > 24 24 Pinnae ovate, oblong-ovate, to rhombic, mainly 4–7 mm, length 1–2 times width. > 25 24 Pinnae oblong-lanceolate to oblong, mainly 6–10 mm, length
  11 KB (330 words) - 00:25, 30 July 2020
• Hieracium
  sometimes woody, branched; stolons produced in some taxa). Stems usually 1, usually erect, usually branched distally, sometimes throughout, sometimes scapiform
  26 KB (1,108 words) - 20:14, 29 July 2020
• Aquilegia
  plane, narrowly ovate to oblong-lanceolate, short-clawed, 7-51 mm; petals 5, distinct, white to blue, yellow, or red, oblong to rounded or spatulate blade
  12 KB (514 words) - 08:29, 30 July 2020
• Plantago
  arborescent]; caudex usually present when perennial. Stems present or absent, if present, erect, glabrous or hairy. Leaves usually basal, usually alternate, (cauline
  17 KB (732 words) - 19:20, 29 July 2020
• Eriogonum umbellatum
  rosettes; petiole 0.1–3 (–4) cm, mostly tomentose to floccose or glabrous; blade oblong-ovate or oblanceolate to elliptic to oval, 0.3–3 (–4) × 0.1–2.5 cm, densely
  27 KB (1,609 words) - 10:41, 30 July 2020
• Arnica
  often present) and/or cauline; mostly opposite (usually 1–10 pairs, distalmost sometimes alternate and usually smaller); petiolate or sessile; blades mostly
  16 KB (834 words) - 23:57, 29 July 2020
• Balsamorhiza
  lanceovate or oblong and often 1–2-pinnatifid or pinnately lobed with bases mostly truncate to cuneate and (if not lobed) margins usually crenate, dentate
  13 KB (768 words) - 23:05, 29 July 2020
• Frangula
  cupshaped, 1–3 mm wide, usually circumscissile far below sepal bases, rarely not circumscissile; sepals (rarely 4–) 5, usually ± erect, sometimes spreading
  10 KB (499 words) - 18:33, 29 July 2020
• Vaccinium
  persistent or deciduous; petiole absent or present; blade elliptic or ovate to oblong-lanceolate or spatulate, membranous to coriaceous, margins entire or serrate
  13 KB (607 words) - 12:52, 30 July 2020
• Cucurbitaceae
  Mentioned on page 4, 170. Plants usually vines, sometimes shrublike in Cucurbita, or perennial [annual] herbs (Melothria), usually monoecious or dioecious, rarely
  19 KB (877 words) - 11:15, 30 July 2020
• Cakile
  ascending, prostrate, or divaricate, branched basally. Leaves cauline; usually petiolate, rarely sessile; blade (often fleshy), not rosulate, margins entire
  11 KB (752 words) - 12:20, 30 July 2020
• Trillium
  persistent, 3, distinct, green, maroon, or with maroon markings, foliaceous, oblong, ovate, or lanceolate, alternating with bracts; petals shriveling after
  30 KB (822 words) - 06:13, 30 July 2020
• Eragrostis
  basipetal with the glumes often persistent and the florets usually falling intact. Glumes usually shorter than the adjacent lemmas, 1 (3) -veined, not lobed
  33 KB (1,388 words) - 03:56, 30 July 2020
• Funaria
  larger and erect distally, reduced proximally, oblong-ovate to broadly obovate distally; concave; apex usually acute or acuminate margins erect, entire to
  12 KB (730 words) - 06:47, 30 July 2020
• Bruchiaceae
  on the plant; perichaetial leaves usually differentiated, longer and somewhat sheathing. Seta short-to-elongate, usually yellow or brown; capsules immersed
  8 KB (362 words) - 06:59, 30 July 2020
• Grindelia
  blades 1-nerved, oblong, obovate, oblanceolate, or spatulate to triangular, lanceolate, or linear (bases usually clasping), margins usually serrate to dentate
  23 KB (1,525 words) - 22:29, 29 July 2020
• Puccinellia
  disarticulation above the glumes, beneath the florets. Glumes usually unequal, sometimes subequal to equal, usually distinctly shorter than the lowest lemma in the spikelets
  22 KB (1,516 words) - 03:14, 30 July 2020
• Cerastium
  adaxial surface of styles, roughened to papillate (30×). Capsules oblong or cylindric, usually ± curved, opening by 10, or occasionally 6 or 8, erect or spreading
  21 KB (1,044 words) - 10:15, 30 July 2020
• Centaurea
  at junction of tubes and throats, lobes linear-oblong, acute; anther bases tailed, apical appendages oblong; style-branches: fused portions with minutely
  21 KB (1,712 words) - 15:30, 15 December 2020
• Smilax
  absent in S. biltmoreana), paired, originating from petioles; blade linear, oblong, ovate, or, sometimes, reduced to scales in herbaceous species, base sometimes
  14 KB (755 words) - 06:14, 30 July 2020
• Cotoneaster
  racemes, or flowers solitary, glabrous or hairy; bracts usually present; bracteoles absent. Pedicels usually present. Flowers: perianth and androecium epigynous
  31 KB (1,652 words) - 14:31, 30 July 2020
• Crataegus sect. Douglasia
  trunks 1–few, usually ± erect, bark plated, ± exfoliating; compound thorns on trunks sometimes present; thorns on twigs determinate, usually numerous, straight
  8 KB (677 words) - 14:35, 30 July 2020
• Thuidiaceae
  excurrent. Branch leaves usually spreading, ovate to oblong-ovate, smaller than stem-leaves; margins usually plane; apex usually gradually acuminate to obtuse;
  11 KB (469 words) - 07:46, 30 July 2020
• Pellaea
  of North America Association Plants usually on rock. Stems compact to long-creeping, ascending to horizontal, usually branched; scales brown to tan or often
  15 KB (692 words) - 00:28, 30 July 2020
• Mnium
  when dry, patent, erect-spreading, or spreading, usually ± flat when moist, elliptic, obovate, oblong-ovate, ovate, ovate-elliptic, ovate or elliptic-lanceolate
  13 KB (645 words) - 07:41, 30 July 2020
• Yucca
  smooth, papillose, or granular, fleshy; pistil obovoid or oblong-cylindrical; ovary superior, usually green, 3-locular or 6-locular with false septa, 6-lobed;
  17 KB (687 words) - 06:11, 30 July 2020
• Cypripedium
  foliaceous. Flowers resupinate, showy; sepals distinct or lateral sepals usually connate proximal to lip forming synsepal; petals entire; lip inflated, slipper
  10 KB (452 words) - 05:19, 30 July 2020
• Pterigynandraceae
  homomallous, usually imbricate, concave, stem-leaves often somewhat larger than branch leaves; margins entire, serrulate, or subentire; apex usually acuminate;
  6 KB (205 words) - 07:46, 30 July 2020
• Opuntia
  continuous with age, main axis determinate, usually terete. Stem segments green or sometimes reddish to purple, usually flattened, circular, elliptic, ovate,
  34 KB (1,067 words) - 09:16, 30 July 2020
• Helenium
  simple or branched distally (usually ± winged by decurrent leaf-bases), glabrous or sparsely to densely hairy. Leaves usually mostly cauline; mostly alternate
  13 KB (702 words) - 15:32, 15 December 2020
• Flaveria
  weakly compressed, narrowly oblanceolate or linear-oblong (usually 10-nerved, glabrous); pappi usually 0, sometimes persistent, of 2–4 hyaline scales, or
  9 KB (638 words) - 23:35, 29 July 2020
• Heuchera
  at junction of ovary and free hypanthium usually white or yellow (yellow to orange in H. parvifolia), usually concealed by free hypanthium and sepals (exposed
  26 KB (1,593 words) - 12:56, 30 July 2020
• Erpodiaceae
  on page 470. Mentioned on page 474. Plants small, prostrate, usually freely branched, usually in mats. Stems smooth, radiculose, rhizoids smooth, in clusters
  12 KB (484 words) - 07:00, 30 July 2020
• Cucurbita
  suborbiculate to broadly ovate, ovatelanceolate, reniform, or triangular, usually deeply to shallowly palmately (3–) 5 (–7) -lobed, sometimes unlobed or 2-lobed
  15 KB (1,114 words) - 11:41, 30 July 2020
• Verbesina
  trees], 7–15+ cm (Verbesina nana) or 30–200 (–400) [–2500+] cm. Stems usually erect, usually branched (internodes sometimes winged). Leaves basal and/or cauline;
  12 KB (721 words) - 23:07, 29 July 2020
• Draba lonchocarpa
  or 1 (–4); sessile; blade ovate or oblong, margins entire, surfaces pubescent as basal. Racemes 3–9-flowered, usually ebracteate, rarely proximalmost 1
  12 KB (1,201 words) - 12:12, 30 July 2020
• Euphorbia subg. Esula
  Pistillate flowers: ovary glabrous or hairy; styles distinct or partly connate, usually 2-fid, sometimes unbranched. Seeds: caruncle present. Nearly worldwide Species
  19 KB (827 words) - 18:28, 29 July 2020
• Prenanthes
  connected by slender rhizomes. Stems 1–5, usually erect, sometimes decumbent (P. bootii), usually simple (leafy), usually glabrous proximally, tomentulose distally
  14 KB (741 words) - 20:12, 29 July 2020
• Rhynchospora
  cespitose or not, often scaly-rhizomatous. Culms procumbent to erect, usually trigonous, wiry to stout. Leaves basal and cauline, polystichous, mostly
  38 KB (1,253 words) - 01:40, 30 July 2020
• Festuca
  Inflorescences usually open or contracted panicles, sometimes reduced to racemes, usually with 1-2 (3) branches at the lower nodes; branches usually erect, spreading
  52 KB (3,291 words) - 03:08, 30 July 2020
• Limnanthes
  ascending. Leaves usually pinnately lobed or compound; leaflet blade linear, lanceolate, elliptic, ovate, narrowly obovate, or oblong, margins entire or
  10 KB (1,122 words) - 12:04, 30 July 2020
• Boerhavia
  pedunculate because of repeated branching from distal axils, diffuse, and then usually widely cymose, paniculate, or thyrsiform, terminal portions cymose, racemose
  15 KB (627 words) - 09:17, 30 July 2020
• Hesperolinon
  399. Herbs, annual, glabrous, puberulent, or hoary. Stems usually erect, rarely decumbent, usually unbranched, sometimes branched, proximally (branches opposite
  15 KB (1,021 words) - 18:23, 29 July 2020
• Hygrohypnum
  orbicular, ovatelanceolate, oblong-lanceolate, or lanceolate, not plicate, to or longer than 1 mm; base commonly decurrent; margins usually plane, sometimes recurved
  17 KB (800 words) - 07:42, 30 July 2020
• Polygonum
  length, petaloid or sepaloid, monomorphic or, rarely, dimorphic, the inner usually flat, the outer flat or sometimes keeled and cucullate distally, sometimes
  11 KB (904 words) - 10:08, 30 July 2020
• Encalypta
  occasionally tomentose; central strand absent or weakly differentiated. Leaves oblong, elliptic, narrowly spathulate or occasionally lanceolate; apex broadly
  11 KB (510 words) - 06:46, 30 July 2020
• Clematis subg. Viorna
  lanceolate or oblong to broadly ovate, thick, usually leathery, abaxially glabrous to silky, hirsute, or tomentose; filaments slender, usually pubescent (except
  13 KB (470 words) - 08:24, 30 July 2020
• Carex sect. Hymenochlaenae
  vegetative and flowering. Culms usually maroon, or less often brown, tan, or pale green at base. Leaves: basal sheaths usually bladeless, sometimes fibrous;
  18 KB (940 words) - 02:10, 30 July 2020
• Hazardia
  subsessile, or sessile; blades 1-nerved, oblong, oblanceolate, elliptic, obovate-cuneate (often coriaceous, bases usually clasping or subclasping), margins entire
  11 KB (801 words) - 20:56, 29 July 2020
• Thelypodiopsis
  (equal), usually erect, sometimes ascending or spreading, rarely reflexed, oblong, lateral pair not saccate basally; petals (erect basally), usually white
  11 KB (790 words) - 12:01, 30 July 2020
• Salix subg. Salix
  49, 51, 57, 61. Shrubs or trees, 1–25 m, usually not clonal, or clonal by stem fragmentation. Stems usually erect (pendulous in S. babylonica); branches
  14 KB (582 words) - 12:06, 30 July 2020
• Spiranthes
  linear, fleshy to somewhat membranaceous, base with pair of calli, apex usually ± crisped; mentum or spur absent; column short, cylindric; anther cordate
  18 KB (547 words) - 05:22, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Baeriinae
  hemispheric, or conic (smooth, knobby, or pitted, glabrous or hairy), usually epaleate (paleae usually 0, rare in Eriophyllum). Ray-florets 0 or 4–21, pistillate
  11 KB (627 words) - 23:52, 29 July 2020
• Spiraea
  399, 401, 405, 407, 412, 414, 416, 422. Shrubs, 1–40 dm; usually rhizomatous. Stems 5–20+, usually erect to ascending or arching, sometimes spreading, prostrate
  20 KB (1,036 words) - 14:24, 30 July 2020
• Cucumis
  filaments inserted near hypanthium base, distinct; thecae distinct, oblong, replicate (usually 2-folded) [straight to arcuate], connective broadened; pistillodes
  17 KB (1,139 words) - 11:28, 30 July 2020
• Cactaceae
  cylindric, or conic leaves, usually present only on young growth and flowers. Plants of subfam. Cactoideae have vestigial, usually minute (or absent) leaves
  40 KB (1,967 words) - 15:27, 15 December 2020
• Syntrichia
  obovate, spatulate, or lingulate, rarely broadly oblong-lanceolate; margins plane or revolute, usually entire; apices acute to truncate or emarginate, and
  15 KB (903 words) - 07:11, 30 July 2020
• Asteraceae (tribe Heliantheae) subtribe Pectidinae
  1–2 series (distinct or ± connate, mostly linear to lanceolate, usually subequal, usually some or all bearing pellucid oil-glands as in leaves). Receptacles
  11 KB (674 words) - 23:30, 29 July 2020
• Deinandra
  glabrous); pappi 0. Disc cypselae usually 0; pappi (of disc-florets) usually of 1–15 elliptic, lance-linear, lanceolate, linear, oblong, quadrate, setiform, or subulate
  14 KB (819 words) - 23:40, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Galinsoginae
  persistent or falling, 6–30+ in 2–5+ series, usually distinct, elliptic, lanceolate, lance-linear, lanceovate, oblong, or ovate, subequal or unequal (outer longer
  10 KB (606 words) - 23:21, 29 July 2020
• Pluchea
  page 58, 475, 479, 480. Annuals, perennials, subshrubs, shrubs, or trees (usually fetid-aromatic), (20–) 50–200 (–500) cm; taprooted or fibrous-rooted. Stems
  14 KB (712 words) - 20:43, 29 July 2020
• Erythranthe
  bracts absent or present when distal leaves much reduced. Pedicels present, usually distinctly longer in fruit than calyces; bracteoles absent. Flowers erect
  49 KB (1,607 words) - 18:59, 29 July 2020
• Anemone
  blue, green, yellow, pink, or red, plane, linear to oblong or ovate to obovate, 3.5-40 mm; petals usually absent (present in A. patens), distinct, plane, obovate
  19 KB (1,214 words) - 15:30, 15 December 2020
• Dicentra
  corolla cordate to oblong in outline; petals coherent or connate only basally, not spongy; outer petals both swollen or spurred basally, usually keeled apically;
  10 KB (655 words) - 08:28, 30 July 2020
• Silphium
  Perennials, 20–250+ cm (fibrous-rooted, rhizomatous, or taprooted). Stems usually erect, usually branched (terete or square, often vernicose with resinous exudates)
  10 KB (661 words) - 23:01, 29 July 2020
• Astrolepis
  subsessile, free from axis, ovate, oblong or elongate-deltate, cordate to subcordate or rarely truncate at base, usually more than 4 mm wide; segment margins
  9 KB (562 words) - 00:25, 30 July 2020
• Saussurea
  minutely hairy subterminal nodes, distinct portions oblong to linear, short-papillate. Cypselae oblong, ± angled, cylindric or 4–5-angled, ribs (when present)
  9 KB (521 words) - 20:00, 29 July 2020
• Townsendia
  faces usually strigose to strigillose, sometimes glabrate, glabrous, glandular-puberulent, piloso-strigose, pilose, or villous. Receptacles usually flat
  18 KB (845 words) - 15:31, 15 December 2020
• Carex sect. Ovales
  A. C. Dibble, A. A. Reznicek Treatment appears in FNA Volume 23. Plants usually densely cespitose, rarely colonial, short-rhizomatous. Culms brown at base
  57 KB (937 words) - 01:54, 30 July 2020
• Ulota
  smooth; endostome segments 8 or absent. Calyptra mitrate, short to oblong-conic, base usually deeply split several times, smooth, hairy, not plicate, covering
  11 KB (710 words) - 07:33, 30 July 2020
• Calamagrostis
  sterile. Caryopses shorter than the lemmas, concealed at maturity, oblong, usually glabrous, x = 7. Conn., N.J., N.Y., Wash., Va., Del., Oreg., Wis., Colo
  24 KB (1,813 words) - 02:43, 30 July 2020
• Quercus sect. Quercus
  2-6-lobed; anthers usually somewhat apiculate, occasionally retuse. Pistillate flowers: calyx adnate to ovary, not forming flange; styles usually abruptly enlarged
  27 KB (606 words) - 08:45, 30 July 2020
• Dudleya cymosa
  or gray-blue, usually oblanceolate or oblong-oblanceolate, rhombic-oblanceolate, oblong, elliptic, or ovate, to spatulate, sometimes oblong-triangular, 1
  10 KB (763 words) - 13:01, 30 July 2020
• Salix subg. Protitea
  filaments usually distinct, sometimes connate less than 1/2 their lengths, usually hairy basally, sometimes on proximal 1/2; anthers yellow, usually globose
  15 KB (947 words) - 12:03, 30 July 2020
• Quercus sect. Lobatae
  margins entire or toothed, teeth if present usually bristle-tipped. Staminate flowers: calyx 2-6-lobed; anthers usually retuse, rarely apiculate. Pistillate flowers:
  23 KB (617 words) - 08:21, 30 July 2020
• Rudbeckia sect. Macrocline
  Stems green, bluish green, or purplish (usually glaucous). Leaves often bluish green, glaucous; basal (usually persistent to flowering) petiolate or sessile;
  12 KB (678 words) - 23:55, 29 July 2020
• Dieteria
  and cauline; alternate; usually sessile, sometimes basal and proximal cauline petiolate; blades 1-nerved, ovate, obovate, oblong, lanceolate, oblanceolate
  11 KB (782 words) - 22:23, 29 July 2020
• Entodon
  branches relatively short, terete or complanate-foliate. Leaves oblong-lanceolate to oblong-ovate, not plicate (slightly plicate in E. brevisetus); base not
  7 KB (504 words) - 07:51, 30 July 2020
• Limonium
  punctate, elliptic to obovate, oblanceolate, spatulate, oblong, or round, usually coriaceous, base usually long-attenuate, margins entire or toothed to pinnatifid
  11 KB (727 words) - 10:13, 30 July 2020
• Vernonia
  bases usually ± cuneate (rounded-truncate in V. pulchella), margins usually toothed (rarely entire), apices acute to attenuate, abaxial faces usually ± scabrellous
  13 KB (807 words) - 20:05, 29 July 2020
• Dryas
  narrowly lanceolate, margins usually entire, sometimes 1–2-toothed; petiole present; blade elliptic, lanceolate, linear, oblong, oblongelliptic, obovate,
  13 KB (816 words) - 14:15, 30 July 2020
• Ratibida
  obovate or oblong, pinnately lobed to 1–2-pinnatifid (lobes usually rounded), ultimate margins entire or serrate, faces usually strigoso-hirsute, usually glanddotted
  8 KB (575 words) - 22:54, 29 July 2020
• Euphrasia
  Bracts ovate, obovate, deltate, suborbiculate, elliptic, oval, oblong-ovate, or oblong, lengths not more than 2 times widths; capsule margins conspicuously
  17 KB (854 words) - 19:26, 29 July 2020
• Helianthella
  Stems erect, usually branched. Leaves basal and cauline; opposite (proximal) and alternate; usually petiolate (at least proximal); blades (usually 3-nerved
  8 KB (578 words) - 23:09, 29 July 2020
• Stevia
  485. Annuals, perennials, subshrubs, or shrubs, 50–120+ cm. Stems erect, usually branched. Leaves cauline; all or mostly opposite or mostly alternate; petiolate
  8 KB (485 words) - 22:46, 29 July 2020
• Horkelia sect. Horkelia
  ascending to erect, (0.5–) 1–10 (–12) dm. Basal leaves usually planar, sometimes ± cylindric; stipules usually entire, sometimes basally lobed; leaflets (1–) 3–16
  10 KB (768 words) - 14:06, 30 July 2020
• Ceanothus subg. Cerastes
  C. pauciflorus). Capsules usually horned (horns sometimes minute or weakly developed bulges), sometimes not horned, usually not crested (crested in C.
  14 KB (504 words) - 18:27, 29 July 2020
• Pyrola
  maculate or not, elliptic, ovate-elliptic, oblongelliptic, oblanceolate, oblong-obovate, ovate, obovate, spatulate, subreniform, reniform, or round, subcoriaceous
  12 KB (691 words) - 13:10, 30 July 2020
• Piperia
  pollinaria 2; pollinia 2, sectile; caudicles inconspicuous, attached to round to oblong viscidia; stigmas confluent, concave; rostellum 3-lobed. Fruits capsules
  11 KB (532 words) - 05:26, 30 July 2020
• Philadelphus
  or hemispheric, weakly or strongly 4-ribbed or 8-ribbed in fruit; sepals usually persistent, 4, spreading or reflexed, deltate to triangular-acuminate, villous
  21 KB (1,536 words) - 18:15, 29 July 2020
• Isocoma
  cm (bases often woody). Stems usually strictly erect, few-branched, glabrous or hispidulous, villous, or tomentose, usually gland-dotted (sessile or slightly
  12 KB (695 words) - 20:55, 29 July 2020
• Sisymbrium
  wide as fruit). Flowers: sepals ovate or oblong, (glabrous or pubescent); petals yellow, obovate, spatulate, oblong, or suborbicular, (longer than sepals)
  11 KB (911 words) - 11:58, 30 July 2020
• Malus
  elliptic, ovate, obovate, triangular-ovate, oval, lanceolate, ovate-oblong, or oblong, (2–) 4–12 cm, membranous or leathery, margins flat, sometimes lobed
  17 KB (1,038 words) - 14:33, 30 July 2020
• Gamochaeta
  tomentose, or subpannose. Heads disciform, usually in glomerules borne in continuous or interrupted, usually spiciform, sometimes paniculiform, arrays (reduced
  17 KB (844 words) - 20:36, 29 July 2020
• Aulacomniaceae
  medulla thick, cells large, walls usually thick, central strand prominent; rhizoids smooth or roughened; axillary hairs usually 5 cells, basal-cells 1 or 2,
  11 KB (485 words) - 07:33, 30 July 2020
• Pectis
  Leaves cauline; opposite; usually sessile; blades mostly linear to elliptic, oblanceolate, oblong, or obovate, margins usually setose-ciliate (mostly near
  14 KB (1,174 words) - 23:30, 29 July 2020
• Crataegus (sect. Coccineae) ser. Apricae
  older gray or gray-brown, sometimes dark purple-brown; thorns on twigs usually few, straight to slightly recurved, 1–2-years old brown, purple-brown, deep
  17 KB (1,102 words) - 13:45, 30 July 2020
• Petasites
  discoid, or disciform, usually in corymbiform, paniculiform, or racemiform arrays, rarely borne singly {“staminate” heads usually radiate, peripheral 1–20
  13 KB (1,178 words) - 21:26, 29 July 2020
• Lessingia
  10–55 in 4–8 series, erect or recurved (green to purple), 1-nerved (flat), oblong, ovate, or lanceolate, unequal, herbaceous, scarious, or rarely cartilaginous
  12 KB (729 words) - 20:57, 29 July 2020
• Acourtia
  both; shortly petiolate or sessile; blades elliptic-oblong, lanceolate, oblong, oblong-lanceolate, oblong-oblanceolate, orbiculate, ovate, ovate-elliptic,
  10 KB (704 words) - 20:22, 29 July 2020
• Drymocallis
  rounded, margins entire to ± toothed; petiole present; blade oblanceolate-oblong in outline, 1–25 cm, foliaceous, leaflets 5–13 (–21), distinct, terminal
  22 KB (1,357 words) - 14:09, 30 July 2020
• Sonchus
  (petioles usually winged), cauline often sessile; blades mostly oblong, oblanceolate, or lanceolate, (bases often auriculate) margins usually 1 (–2) -pinnately
  9 KB (535 words) - 20:13, 29 July 2020
• Kalmia
  stamens 10 (5 in K. procumbens), included; (filaments usually hairy near base); anthers (usually purple), without awns, (ovoid), dehiscent by apical (or
  11 KB (885 words) - 13:17, 30 July 2020
• Clematis
  1-3-pinnately or ternately compound; leaf or leaflets cordate to orbiculate, oblong, lanceolate, or oblanceolate, lobed or unlobed, margins entire or toothed
  9 KB (493 words) - 08:33, 30 July 2020
• Hymenophyllaceae
  often winged part or entire length. Blade ovate or oblong to lanceolate, simple to decompound, usually 1 cell thick between veins (except Trichomanes membranaceum
  8 KB (452 words) - 00:31, 30 July 2020
• Parnassia
  or gray-brown veins, 3–22 mm, usually longer than sepals; nectary absent; stamens 5; staminodes 5, opposite petals, usually deeply divided, sometimes undivided
  10 KB (406 words) - 18:17, 29 July 2020
• Lorandersonia
  when older; twigs usually greenish), glabrous or scabrous, gland-dotted (sometimes in pits), often resinous. Leaves cauline (usually persistent; often
  11 KB (677 words) - 21:45, 29 July 2020
• Arnoglossum
  distinct, ovate or oblong to linear (midveins sometimes winged), ± equal, margins scarious (hyaline). Receptacles flat or convex (usually with central cusp
  10 KB (547 words) - 21:24, 29 July 2020
• Eriophyllum
  petiolate or sessile; blades usually 1–2 (–3) -pinnately lobed, ultimate margins toothed, serrate, or entire, faces usually densely to sparsely woolly (abaxial
  13 KB (1,037 words) - 23:55, 29 July 2020
• Asteraceae (tribe Heliantheae) subtribe Marshalliinae
  elliptic, linear, oblanceolate, ovate, or spatulate, margins entire, faces usually glabrous, glanddotted. Heads discoid, borne singly or in open, corymbiform
  7 KB (512 words) - 22:41, 29 July 2020
• Marshallia
  linear, oblong, ovate, or rhombic, subequal, herbaceous, midnerves often keeled, proximal margins often scarious). Receptacles conic or convex (usually hollow)
  8 KB (545 words) - 22:41, 29 July 2020
• Orobanche
  species in western South America. They are characterized by usually elongate inflorescence axes usually much longer than the pedicels, flowers with a pair of
  22 KB (1,669 words) - 19:24, 29 July 2020
• Balsamorhiza subg. Balsamorhiza
  lanceovate, linear-oblong, oblong, or ovate, often 1–2-pinnatifid or pinnately lobed, sometimes cordate, ultimate margins usually crenate, dentate, or
  4 KB (559 words) - 23:05, 29 July 2020
• Castilleja ambigua
  or purple on apices, lanceolate, oblong, or ovate, (0–) 3–5 (–7) -lobed; lobes ascending or divaricate-ascending, oblong to linear, short to long, arising
  11 KB (712 words) - 18:50, 29 July 2020
• Woodsia
  Illustrator: John Myers Copyright: Flora of North America Association Plants usually on rock. Stems compact to creeping; ascending or erect (rarely horizontal)
  12 KB (653 words) - 00:23, 30 July 2020
• Stephanomeria
  annuals and some perennials); usually sessile; blades linear to oblong, oblanceolate, or spatulate, usually runcinate, margins usually pinnately lobed (spinulose-tipped
  15 KB (1,165 words) - 20:25, 29 July 2020
• Asimina
  staggered rows. Fruits simple berries, usually 3-5 per flower, spreading from swollen receptacles, unevenly oblong-cylindric, pulpy. Seeds 3-many per pistil
  11 KB (450 words) - 08:36, 30 July 2020
• Clematis subg. Clematis
  yellow-flowered species; perianth rotate; sepals spreading, not connivent, linear, oblong, elliptic, lanceolate, ovate, oblanceolate, or obovate, thin and white or
  8 KB (418 words) - 08:38, 30 July 2020
• Tetraplodon
  Stem-leaves slender to oblong-lanceolate, or obovate and acuminate; margins toothed or entire; apex acute, acuminate, or subulate; costa usually ending in subula;
  7 KB (419 words) - 07:33, 30 July 2020
• Kallstroemia
  axils of alternately smaller leaves, erect, usually reflexed in fruit. Flowers solitary, regular; sepals usually persistent, rarely deciduous, 5, distinct
  13 KB (670 words) - 18:18, 29 July 2020
• Polypodium
  Plants on rock, occasionally terrestrial or epiphytic. Stems creeping, usually branched, 3–15 mm diam., sometimes whitish pruinose; scales concolored to
  13 KB (793 words) - 00:23, 30 July 2020
• Erythronium
  fruit. Inflorescences terminal, racemose, 1–10-flowered. Flowers showy, usually nodding, sometimes held laterally or erect; tepals 6 (as few as 4 in E.
  18 KB (1,049 words) - 05:39, 30 July 2020
• Scrophulariaceae
  [schizocarps]. Seeds 1–300, white, yellow, orangish, brown, or black, ovoid, oblong-ovoid, conic, ellipsoid, L-shaped, angled, cylindric, threadlike, or fusiform;
  15 KB (926 words) - 19:11, 29 July 2020
• Buddleja
  trees; stolons absent. Stems erect or pendent, hairy when young, hairs usually stellate and glandular. Leaves persistent, semipersistent, or deciduous
  12 KB (593 words) - 19:21, 29 July 2020
• Amaranthus
  cuneate, margins usually entire, usually plane, slightly undulate, or crispate, rarely undulate-erose, apex acute, obtuse, or emarginate, usually mucronulate
  32 KB (1,366 words) - 09:41, 30 July 2020
• Ditrichaceae
  asymmetric; cleistocarpous, gymnostomous, or peristomate; annulus, when present, usually of 2–3 rows of larger cells, deciduous; peristome, when present, single
  12 KB (480 words) - 06:59, 30 July 2020
• Packera
  erect to recurved, usually ± deltate; style-branches stigmatic in 2 lines, apices usually truncate-penicillate. Cypselae cylindric, usually 5–10-ribbed (ribs
  40 KB (1,171 words) - 21:16, 29 July 2020
• Perityle sect. Perityle
  linear-elliptic, linear-oblong, oblanceolate, oblong, ovate, or subcuneate, usually flattened (outer often 3-angled), margins usually prominently calloused
  7 KB (505 words) - 23:48, 29 July 2020
• Tanacetum
  Ray-florets usually 10–21+ (pistillate and fertile or neuter; corollas pale-yellow to yellow or white, usually with yellowish bases [pink], laminae oblong to flabellate)
  8 KB (556 words) - 20:43, 29 July 2020
• Malva
  cordate to truncate, margins crenate to dentate. Inflorescences usually axillary, flowers usually in fascicles, sometimes solitary, sometimes terminal racemes;
  11 KB (591 words) - 11:29, 30 July 2020
• Philonotis
  surface smooth or rough; basal laminal cells usually more lax than distal cells; distal cells subquadrate to oblong or linear, prorulose at distal or proximal
  12 KB (605 words) - 07:34, 30 July 2020
• Fontinalis
  axillary hairs 250–918 µm. Leaves closely or distantly spaced, ovate, oblong-ovate, oblong-lanceolate, ovatelanceolate, lanceolate, narrowly lanceolate, or
  12 KB (601 words) - 07:50, 30 July 2020
• Meesiaceae
  single, strong, usually ending before apex; distal laminal cells rounded-hexagonal to rectangular, smooth or mammillose. Seta slender, usually very long, to
  5 KB (201 words) - 07:38, 30 July 2020
• Crataegus (sect. Coccineae) ser. Crus-galli
  3–6.5 cm. Leaves: petiole usually short, length 0–18 (–31) % blade, usually glabrous, sometimes villous or glabrescent, usually eglandular, sometimes glandular;
  13 KB (1,053 words) - 14:38, 30 July 2020
• Agalinis
  petals 5, corolla pale-pink to rose-purple or purple, rarely white, throats usually with 2 abaxial yellow lines and red spots within, bilabiate, funnelform
  23 KB (952 words) - 19:30, 29 July 2020
• Watsonia
  lanceolate to linear, usually coarse, fibrotic. Inflorescences spicate, erect, many-flowered; bracts green, often flushed with red, unequal, usually outer exceeding
  6 KB (445 words) - 06:09, 30 July 2020
• Zephyranthes
  tepals usually 1+ mm longer than those inserted on proximal ones; anthers submedially dorsifixed, usually parallel with floral axis, linear-oblong; ovary
  12 KB (861 words) - 05:58, 30 July 2020
• Poa
  terete to subterete, usually lanceolate, sometimes ovate; florets (1) 2-6 (13), usually sexual, sometimes bulb-forming; rachillas usually terete, sometimes
  87 KB (2,178 words) - 03:17, 30 July 2020
• Montia
  sometimes absent, usually distinct (connate proximally in M. fontana); stamens 3–5 (occasionally 2 in M. howellii); ovary globose or linear-oblong, ovules 3;
  11 KB (582 words) - 09:46, 30 July 2020
• Lyonia
  at or near base. Flowers: sepals usually [4–] 5 [–8], slightly connate, ovate-deltate to lanceolate; petals usually [4–] 5 [–8], connate nearly their
  9 KB (502 words) - 13:19, 30 July 2020
• Sairocarpus
  branches, cleistogamous flowers are usually borne close to the main stem. Fruits from cleistogamous flowers are usually smaller and have fewer seeds than
  11 KB (634 words) - 19:01, 29 July 2020
• Leavenworthia
  several-flowered), elongated in fruit. Flowers: sepals spreading or suberect, oblong or oblong-linear, lateral pair not saccate basally; petals white, lavender, orange
  13 KB (894 words) - 12:24, 30 July 2020
• Myriophyllum
  emersed in M. farwellii), usually whorled, sometimes alternate, opposite, subopposite, subverticillate, or irregular [scattered], usually heteromorphic (homomorphic
  19 KB (1,182 words) - 21:01, 7 June 2022
• Abies
  European fir Treatment appears in FNA Volume 2. Trees evergreen, crown usually spirelike to conic, sometimes flat to round topped in age. Bark initially
  16 KB (1,110 words) - 00:33, 30 July 2020
• Panicum
  of hairs; upper lemmas usually more or less rigid and chartaceous-indurate, usually shiny, glabrous or (rarely) pubescent, usually smooth, sometimes verrucose
  26 KB (1,480 words) - 04:05, 30 July 2020
• Sporobolus
  115. Plants annual or perennial; usually cespitose, sometimes rhizomatous, rarely stoloniferous. Culms 10-250 cm, usually erect, rarely prostrate, glabrous
  22 KB (1,094 words) - 04:32, 30 July 2020
• Piperia elegans
  ovate to oblong; lateral sepals usually widespreading, ovate-elliptic to oblong-lanceolate; petals spreading, recurved, straight, ovate to oblong-lanceolate
  7 KB (575 words) - 05:26, 30 July 2020
• Agrostis
  Plants usually perennial; usually cespitose, sometimes rhizomatous or stoloniferous. Culms (3) 5-120 cm, usually erect. Sheaths open, usually smooth and
  31 KB (1,893 words) - 03:29, 30 July 2020
• Berlandiera
  taproots or woody caudices; herbage usually hirsute, hispid, scabrous, or velvety). Stems decumbent to erect, usually branched (scapiform or ± leafy throughout)
  12 KB (738 words) - 23:03, 29 July 2020
• Sphagnum sect. Acutifolia
  mostly entire on exterior surface. Branches dimorphic, spreading branches usually longer and thicker than pendent branches. Branch fascicles with 2 (–3) spreading
  19 KB (686 words) - 07:06, 30 July 2020
• Sidalcea
  354, 355. Herbs, annual or perennial, or subshrubs, sometimes glaucous, usually hairy, sometimes glabrate, hairs stellate or simple or both, with taproot
  21 KB (668 words) - 11:33, 30 July 2020
• Brassica
  g, often slender. Flowers: sepals usually erect or ascending, rarely spreading, oblong [ovate], lateral pair usually saccate basally; petals yellow to
  13 KB (952 words) - 12:20, 30 July 2020
• Gaillardia
  perennials, or subshrubs, 10–80+ cm (sometimes rhizomatous). Stems usually erect, usually branched (from bases or throughout). Leaves basal, basal and cauline
  12 KB (725 words) - 22:34, 29 July 2020
• Notholaena
  narrowly elliptic to oblong-ovate or deltate, usually less than 4 mm wide; base rounded to truncate or cuneate; stalks (when present) usually lustrous and dark-colored;
  13 KB (724 words) - 00:34, 30 July 2020
• Fragaria
  or ± ovoid, 1–2 mm, glabrous; torus usually red, wine red, or carmine, rarely white, globose or subglobose to oblong, conic, or oblate, 9–24 (–37) mm, fleshy
  14 KB (994 words) - 14:08, 30 July 2020
• Neckera
  erect-spreading, or spreading, sometimes secund, ovate, obovate, oblong, oblong-ligulate, or oblong-lanceolate, asymmetric, flat to strongly undulate; margins
  8 KB (579 words) - 07:55, 30 July 2020
• Pylaisia
  perichaetial leaves erect, oblong-lanceolate, apex subulate. Seta yellowish or reddish. Capsule erect to suberect, oblong-cylindric to oblong-ovoid, straight, not
  9 KB (555 words) - 07:53, 30 July 2020
• Crataegus (sect. Coccineae) ser. Populneae
  moderately frequent, straight to recurved, 1-year old usually dark reddish-brown to blackish, usually shiny, usually slender, 2.5–5 cm. Leaves: petiole length (16–)
  12 KB (860 words) - 14:42, 30 July 2020
• Sematophyllaceae
  cylindric or ovoid; exothecial cell-walls usually collenchymatous, irregularly thickened; operculum usually rostrate; peristome double. Calyptra cucullate
  8 KB (252 words) - 07:53, 30 July 2020
• Crataegus (sect. Douglasia) ser. Purpureofructus
  ellipsoid, ellipsoid-urceolate, ± oblong, or ovoid, (7–) 8–10 (–15) mm diam., sparsely hairy or glabrous; sepals prominent, usually accrescent (except in C. williamsii)
  14 KB (936 words) - 14:35, 30 July 2020
• Anoda
  glabrescent. Leaves: stipules deciduous, inconspicuous, usually linear; blade usually linear, lanceolate, oblong, or ovate to triangular, sometimes lobed, base
  8 KB (440 words) - 11:24, 30 July 2020
• Heterotheca villosa
  stipitate-glandular; bracts 1–7+, usually linear-oblanceolate, rarely leaflike and linear-oblanceolate, usually greatly reduced, margins usually flat, rarely remotely
  18 KB (1,184 words) - 21:57, 29 July 2020
• Crataegus (sect. Coccineae) ser. Punctatae
  rhombic-elliptic, 3–6 (–8) cm, ± thin, base usually cuneate, lobes 0 or 1–4 (–9) per side, sinuses usually shallow, lobe apex usually acute, rarely obtuse, margins serrate
  12 KB (864 words) - 14:39, 30 July 2020
• Herrickia
  1-nerved (low-keeled or rounded adaxially), spatulate, oblanceolate, oblong-obovate, oblong, ovate, lanceolate, or linear-lanceolate, unequal, bases indurate
  10 KB (687 words) - 22:18, 29 July 2020
• Acalypha
  absent; pistil (1–) 3-carpellate; styles (1–) 3, distinct or connate basally, usually multifid or laciniate, rarely 2-fid or unbranched, branches threadlike.
  17 KB (923 words) - 18:23, 29 July 2020
• Tortella
  recurved when moist, elongate-oblong to linear-lanceolate or linear-subulate, widest at or near the base; base hyaline, oblong, erect; margins plane to incurved
  21 KB (1,511 words) - 07:02, 30 July 2020
• Tayloria
  twisted. Capsule not cleistocarpous, brown, ovoid, oblong-cylindric, pyriform, or conic; hypophysis usually same color as urn, short-to-elongate, narrower
  8 KB (455 words) - 07:44, 30 July 2020
• Rosa sect. Caninae
  Flowers 2.5–5 cm diam.; hypanthium globose, ovoid, obovoid, oblong, or urceolate, glabrous, usually eglandular, base sometimes stipitate or setose-glandular;
  14 KB (942 words) - 13:50, 30 July 2020
• Viola purpurea
  oblique or not, margins usually ± crenate, serrate, dentate, or coarsely or irregularly repand-dentate, sometimes entire, usually ciliate, apex acute to
  11 KB (690 words) - 11:18, 30 July 2020
• Glyceria sect. Glyceria
  compressed, usually at least weakly keeled. Inflorescences 0.5-5 cm wide if the branches appressed, to 20 cm wide if divergent; branches usually appressed
  4 KB (808 words) - 03:30, 30 July 2020
• Celtis
  America Association Trees or rarely shrubs, to 30 m; crowns spreading. Bark usually gray, smooth or often fissured and conspicuously warty. Branches without
  9 KB (475 words) - 08:41, 30 July 2020
• Castilleja angustifolia
  lanceolate to oblong, abaxials wider than adaxials, apex acute to rounded. Corollas straight, 18–27 (–32) mm; tube 8–17 mm; beak usually long-exserted
  13 KB (773 words) - 18:50, 29 July 2020
• Wyethia
  bases. Leaves basal and cauline; alternate; usually petiolate (basal), sometimes sessile; blades (usually pinnately nerved, basal larger than cauline)
  10 KB (638 words) - 23:06, 29 July 2020
• Achillea
  [subshrubs], 6–80 cm (usually rhizomatous, sometimes fibrous-rooted or taprooted; usually aromatic). Stems 1 (–4+, clustered), usually erect, branched mostly
  10 KB (752 words) - 20:44, 29 July 2020
• Thelesperma
  (distal rarely alternate); blades usually 1 (–3) -pinnately lobed (ultimate lobes oblanceolate to filiform), faces usually glabrous, rarely hairy. Heads radiate
  11 KB (661 words) - 23:26, 29 July 2020
• Veronica
  ± emarginate; leaf blades ovate-oblong, ovate, oblong, linear-lanceolate, lanceolate, elliptic, oblong-ovate, or oblong-lanceolate. > 9 9 Corollas white
  20 KB (967 words) - 19:23, 29 July 2020
• Coreopsis sect. Coreopsis
  Cypselae obovate to oblong (often cupped), margins ± winged (or wingless and margins adaxially ± corky), wings ± chartaceous, usually entire, rarely irregularly
  8 KB (577 words) - 23:24, 29 July 2020
• Tragopogon
  mostly 10–20+ mm diam. Phyllaries usually [5–7] 8–12 [13–16] in 1 series, linear-lanceolate, triangular-lanceolate [oblong-lanceolate], linear, ± equal, margins
  10 KB (669 words) - 20:18, 29 July 2020
• Epilobium
  petiolate; blade margins entire or toothed; bracts usually reduced distally. Inflorescences terminal, usually racemes or spikes, rarely panicles, flowers solitary
  32 KB (1,609 words) - 21:02, 7 June 2022
• Lolium
  above the glumes, beneath the florets. Glumes usually 1, 2 in the terminal spikelets, lanceolate to oblong, rounded over the midvein, membranous to indurate
  11 KB (1,013 words) - 03:13, 30 July 2020
• Pteris
  or scaly distally, with 1 (less often 2 or more) vascular-bundle. Blade oblong to lanceolate to deltate, 1–4-pinnate, herbaceous to leathery, abaxially
  8 KB (450 words) - 00:35, 30 July 2020
• Geum
  ovate, or orbiculate, herbaceous, major leaflets 1–26, rhombic, elliptic, oblong, obovate, oblanceolate, orbiculate, reniform, or cordate, margins flat,
  22 KB (1,259 words) - 14:34, 30 July 2020
• Eleocharis subg. Eleocharis
  Eleocharis sect. Parvulae), terminating rhizomes or among culm bases. Culms usually spongy with incomplete transverse septa, seldom hollow with complete transverse
  37 KB (456 words) - 02:15, 30 July 2020
• Mortonia
  (small, hard-walled, indehiscent), 1-locular, oblong to cylindric, apex beaked. Seeds 1 per fruit, oblong, not winged; aril absent. sw United States, Mexico
  7 KB (263 words) - 18:21, 29 July 2020
• Laënnecia
  Annuals or perennials, 10–120 (–350+) cm (usually taprooted, sometimes with ± woody caudices). Stems usually erect, simple or branched from bases or throughout
  11 KB (663 words) - 21:42, 29 July 2020
• Deschampsia
  Treatment on page 624. Plants usually perennial, sometimes annual; cespitose or tufted. Culms 5-140 cm, hollow, erect. Leaves usually mainly basal, often forming
  13 KB (1,214 words) - 03:28, 30 July 2020
• Weissia
  W. condensa usually have cucullate leaf apices, thick costae to 100 µm wide basally, distal laminal cells 8–10 µm wide, and capsules usually eperistomate;
  18 KB (1,487 words) - 07:02, 30 July 2020
• Torreyochloa
  toothed; anthers usually 3; ovaries usually hairy, sometimes glabrous. Caryopses shorter than the lemmas, concealed at maturity, oblong, flattened dorsally
  9 KB (884 words) - 03:26, 30 July 2020
• Pterobryaceae
  horizontal, rhizoids usually restricted to stolons. Stolon leaves scalelike, 0.2–1.3 mm; apex short-acute or long-acuminate; usually ecostate. Stipe leaves
  14 KB (540 words) - 07:55, 30 July 2020
• Polypogon
  bilobed, usually awned from the sinuses or apices, awns flexuous, glabrous, sometimes unawned; lemmas 1-3 (5) -veined, often awned, awns usually terminal
  10 KB (870 words) - 03:30, 30 July 2020
• Vauquelinia
  oblongelliptic or oblong-lanceolate to linear-lanceolate or linear to linear-oblong, (2.2–) 3–13 (–18.5) cm, leathery, margins flat, usually horny, serrate
  10 KB (469 words) - 14:28, 30 July 2020
• Hybanthus
  proximal usually opposite, distal usually alternate, petiolate or sessile; stipules not adnate to petiole, linear-subulate to leaflike, usually shorter
  11 KB (712 words) - 11:16, 30 July 2020
• Hydrangeaceae
  connate basally [entirely, then calyptrate]; nectary usually present, rarely absent; stamens 8–200, usually distinct, sometimes connate proximally, free; anthers
  13 KB (775 words) - 18:33, 29 July 2020
• Penstemon sect. Penstemon
  blade obovate, ovate, triangular-ovate, spatulate, oblanceolate, lanceolate, oblong, elliptic, or linear, rarely lyrate, margins entire or toothed. Thyrses
  36 KB (1,140 words) - 19:13, 29 July 2020
• Thuidium
  denticulate; apex usually acute; costa ending before apex, not covered with cells apically; laminal cells rounded, hexagonal, elliptic, or oblong-rhombic, 1-papillose
  9 KB (590 words) - 07:46, 30 July 2020
• Mentzelia sect. Mentzelia
  axis of ovary. Capsules usually subcylindric, clavate, lingulate, or funnelform, sometimes ovoid, straight or curved. Seeds oblong, ovoid, or pyriform, dorsiventrally
  6 KB (474 words) - 18:20, 29 July 2020
• Penstemon sect. Glabri
  ovate, spatulate, oblanceolate, elliptic-lanceolate, lanceolate, elliptic, oblong, or linear, margins entire. Thyrses continuous or interrupted, cylindric
  29 KB (982 words) - 19:10, 29 July 2020
• Picea
  absent; apex usually sharp-pointed, sometimes bluntly acute; resin canals 1–2. Cones borne on year-old twigs. Pollen cones grouped, axillary, oblong, yellow
  9 KB (446 words) - 15:28, 15 December 2020
• Cosmos
  Stems usually 1, erect or ascending, branched distally or ± throughout. Leaves mostly cauline; opposite; petiolate or sessile; blades usually 1–3-pinnately
  9 KB (609 words) - 23:26, 29 July 2020
• Frankenia
  swollen at nodes, usually differentiated into long and short-shoots, hairs simple. Leaves petiolate or sessile, salt crystals usually present on leaf surfaces
  7 KB (439 words) - 11:40, 30 July 2020
• Heliomeris
  (paleae tan to brown, ovate to oblong-rectangular, conduplicate). Ray-florets 5–15, neuter; corollas yellow (laminae elliptic, oblong, obovate, oval, or ovate)
  9 KB (624 words) - 23:20, 29 July 2020
• Hedwigiaceae
  branch leaves erect to secund when dry, spreading when moist, ovate, broadly oblong-ovate, or ovatelanceolate, strongly concave; base narrowing to insertion
  17 KB (707 words) - 07:33, 30 July 2020
• Thysanocarpus
  Flowers: sepals ascending, oblong to ovate, lateral pair not saccate basally; petals white to purplish, spatulate to oblong, (subequaling or longer than
  9 KB (595 words) - 12:02, 30 July 2020
• Zygodon
  moist, oblong-lanceolate to linear-lanceolate, not rugose; base decurrent; margins entire, serrate or serrulate near apex; apex acute, usually apiculate;
  8 KB (521 words) - 07:33, 30 July 2020
• Splachnum
  leaves are erect or erect-spreading, usually more crowded toward stem apices, more or less contorted when dry, and usually spreading when moist. The perigonia
  8 KB (478 words) - 07:34, 30 July 2020
• Mirabilis
  axillary, terminating in pedunculate involucres subtending 1–16 flowers, usually cymose, sometimes consisting of single involucre in leaf-axil; bracts persistent
  15 KB (526 words) - 09:38, 30 July 2020
• Gomphrena
  Utricles included in tepals, stramineous, ovoid or oblong, somewhat compressed, membranous, usually indehiscent. Seeds 1, lenticular, subglobose, to ovoid
  7 KB (309 words) - 09:42, 30 July 2020
• Carthamus
  distinct portions very short. Cypselae oblong to obpyramidal, ± 4-angled, apices with smooth or dentate rims, faces usually ± roughened (outer) or smooth (inner)
  9 KB (624 words) - 20:02, 29 July 2020
• Microseris
  campanulate, 3–30 mm diam. Phyllaries 5–40 in 3–5 series, unequal (outer usually shorter, ± deltate, inner ± lanceolate), herbaceous (midveins often thickened;
  15 KB (826 words) - 20:23, 29 July 2020
• Crepis runcinata
  mm. Phyllaries 10–16, lanceolate or oblong, 8–10 mm, (bases keeled and thickened, margins scarious) apices usually acute, sometimes attenuate or obtuse
  8 KB (661 words) - 20:09, 29 July 2020
• Pyracantha
  serrate, glabrous or tomentose; petiole present; blade obovate, ovate, oblong-obovate, oblong, or elliptic to lanceolate or oblanceolate, 1–7 cm, leathery, margins
  13 KB (705 words) - 14:32, 30 July 2020
• Euphorbia antisyphilitica
  narrowly oblong to reniform, 0.3–0.4 × 0.8–1 mm; appendages white to pink, ovate, oblong, or transversely oblong, 1.3–2.5 × 1.4–2.5 mm, usually erose, rarely
  8 KB (659 words) - 18:33, 29 July 2020
• Perityle sect. Pappothrix
  corollas cream, yellow, or white. Cypselae oblong to narrowly oblanceolate, partially flattened to subcylindric, usually somewhat rounded or angled on 1 or both
  6 KB (533 words) - 23:47, 29 July 2020
• Glyceria sect. Hydropoa
  wholly to partially connate; anthers 1, 2, or 3. Caryopses ovoid-oblong; hila ovoid to oblong. Glyceria sect. Hydropoa includes approximately five species
  4 KB (755 words) - 03:21, 30 July 2020
• Amoreuxia wrightii
  filaments 11–17 mm with usually dark red anthers; ovary usually short-haired-lanate to tomentose or puberulent (glandular). Capsules oblong-obovoid, 3–6 cm, sparsely
  5 KB (355 words) - 11:38, 30 July 2020
• Bucklandiella
  pinnately branched, rarely almost simple and unbranched. Leaves lanceolate, oblong or ovatelanceolate, concave proximally, canaliculate to carinate distally;
  13 KB (864 words) - 06:51, 30 July 2020
• Stenotus
  [pulvinate]; branched caudices, taproots ± well-developed). Stems erect (usually white, proximally often clothed with marcescent leaves), simple, glabrous
  9 KB (550 words) - 21:44, 29 July 2020
• Arida
  funnelform throats (usually glabrous), lobes 5, erect, triangular (glabrous to minutely hairy). Cypselae ± dimorphic, narrowly oblong (thin-walled), 8–13-nerved
  13 KB (947 words) - 22:25, 29 July 2020
• Tetradymia
  erect to spreading (tomentose to pannose or glabrous, often spiny). Leaves (usually with fascicles of secondary leaves in axils of the primary; primaries sometimes
  10 KB (537 words) - 21:25, 29 July 2020
• Commelina
  with mucilaginous liquid, margins distinct or basally connate; bracteoles usually absent. Flowers bisexual and staminate, bilaterally symmetric; pedicels
  9 KB (390 words) - 01:00, 30 July 2020
• Crataegus (sect. Coccineae) ser. Molles
  with stout thorns, relatively large, usually red fruit, glandular-serrate sepals, and plant parts that are usually very hairy, especially when young; similar
  16 KB (1,227 words) - 14:40, 30 July 2020
• Melampodium
  opposite; petiolate (petioles usually winged) or sessile; blades deltate, lance-elliptic, lanceolate, lance-linear, linear, linear-oblong, ovate, or rhombic, sometimes
  9 KB (570 words) - 23:36, 29 July 2020
• Madia
  sessile; blades lanceolate or oblong-linear to linear, margins usually entire, sometimes toothed, faces hirsute to strigose, usually glandular-pubescent as well
  11 KB (700 words) - 23:44, 29 July 2020
• Crataegus (sect. Coccineae) ser. Pulcherrimae
  branches usually glabrous, sometimes sparsely pilose; bracteoles usually caducous, sometimes ± persistent, usually numerous, linear to narrowly oblong or very
  15 KB (1,064 words) - 14:43, 30 July 2020
• Rhexia
  blade usually 3-veined (1-veined in R. cubensis), without strong cross-veins, margins entire, subentire, serrate, serrulate, or crenulate, usually with
  15 KB (925 words) - 21:04, 7 June 2022
• Hygroamblystegium
  Stem and branch leaves erect, not or slightly falcate-secund, oblong-lanceolate to oblong-ovate, rarely broadly ovate, not plicate, to or longer than 1
  9 KB (706 words) - 07:43, 30 July 2020
• Aulacomnium
  hyalodermis present or absent. Leaves radially and spirally arranged, lanceolate, oblong-lanceolate, linear-lanceolate, or oblongelliptic, symmetric, weakly concave
  7 KB (447 words) - 07:33, 30 July 2020
• Ludwigia sect. Isnardia
  stolons or rhizomes, or creeping and rooting at nodes, rarely floating. Stems usually erect or ascending, sometimes prostrate, decumbent, or sprawling, terete
  8 KB (1,165 words) - 21:01, 7 June 2022
• Zinnia
  linear, oblong, or ovate, bases rounded to cuneate, margins entire, faces hairy (often scabrous or scabrellous), usually glanddotted. Heads usually radiate
  10 KB (870 words) - 23:00, 29 July 2020
• Limnanthes floccosa
  or not, ovate, obovate, lanceolate, oblong-lanceolate, or lanceolate-ovate, 4–10 mm; petals white, obovate, oblong, or obovate-cuneate, 4.5–10 mm, 1.6–1
  7 KB (436 words) - 12:05, 30 July 2020
• Ophioglossum
  sporangia in 2 rows, deeply sunken in simple, linear or oblong fleshy sporophore tip, tip usually ± apiculate. Gametophytes brown to white, narrowly linear
  9 KB (450 words) - 00:29, 30 July 2020
• Cirsium eatonii
  branches on distal stems 0–many, ascending. Leaves: blades oblong, 10–30 × 1–5 cm, margins usually strongly undulate, unlobed and spiny-dentate or shallowly
  12 KB (937 words) - 19:58, 29 July 2020
• Cystopteris
  persisting as trophopod over winter; vascular-bundles 2, lateral, round or oblong in cross-section. Blade ovatelanceolate to deltate, 1–3-pinnate-pinnatifid
  13 KB (711 words) - 15:29, 15 December 2020
• Xanthisma sect. Sideranthus
  markedly expanded, apices obtuse to acuminate, usually stiffly, often markedly bristle-tipped, faces usually hairy, often stipitate-glandular. Receptacles:
  7 KB (631 words) - 22:22, 29 July 2020
• Taraxacum
  juvenile and shaded leaves usually are less divided than older, sun-exposed or stressed ones, and the terminal lobes usually are smaller; some traits described
  28 KB (2,401 words) - 20:10, 29 July 2020
• Bothriochloa
  open; auricles absent; ligules membranous, sometimes also ciliate; blades usually flat, convolute in the bud. Inflorescences terminal, panicles of subdigitate
  11 KB (927 words) - 04:24, 30 July 2020
• Taxiphyllum
  erect to widespreading or squarrose, ovate, ovatelanceolate, oblong-lanceolate, or oblong-ovate, widest beyond base, not or occasionally plicate; base
  11 KB (589 words) - 07:53, 30 July 2020
• Acleisanthes
  flowers), exserted; styles exserted beyond anthers; stigmas peltate. Fruits oblong or narrowly ellipsoid, coriaceous, smooth, glabrous or minutely puberulent;
  11 KB (518 words) - 09:32, 30 July 2020
• Sarracenia
  than pitcher; bracts 3, usually appressed or adjacent to sepals, clasping, spreading or arched, ovate-triangular or ovate-oblong, apex obtuse to rounded
  17 KB (1,184 words) - 13:09, 30 July 2020
• Arctanthemum
  pistillate, fertile; corollas white, laminae lance-elliptic or elliptic to oblong or oblong-lanceolate. Disc-florets 140–360+, bisexual, fertile; corollas yellow
  8 KB (620 words) - 20:51, 29 July 2020
• Solidago arguta
  lanceolate-oblong, often grading into phyllaries. Involucres 2.5–4.5 (–5) mm. Phyllaries in 3–4 series, unequal; outer ovate, acute, inner linear-oblong, ciliate
  9 KB (809 words) - 21:35, 29 July 2020
• Pleopeltis
  Plants epiphytic, on rock, or rarely terrestrial. Stems often long-creeping, usually branched, 1–2.5 mm diam., not whitish pruinose; scales bicolored with dark
  9 KB (518 words) - 00:29, 30 July 2020
• Psilostrophe
  striate-ribbed, usually glabrous, sometimes glanddotted (villous in P. gnaphalodes, sometimes hirtellous in P. tagetina); pappi of 4–8 ± oblong or elliptic
  9 KB (648 words) - 22:40, 29 July 2020
• Anemone virginiana
  sepals usually 5, green, yellow, or red (rarely white or abaxially green to green-yellow and adaxially green or yellow and tinged red), oblong, ovate,
  10 KB (661 words) - 08:36, 30 July 2020
• Pilotrichaceae
  broadly oblong, oblong-ovate, or ovatelanceolate; lateral leaves erect-spreading to spreading, narrower; margins often dentate; apex usually acuminate;
  11 KB (442 words) - 07:42, 30 July 2020
• Lygodiaceae
  of opposite pinnules, usually with an often dormant apical bud. Sporangia in 2 rows, 1 on each side of midvein of contracted, oblong, marginal lobes of ultimate
  3 KB (129 words) - 00:22, 30 July 2020
• Oenothera sect. Anogra
  sweet scent or nearly unscented; buds nodding by recurved floral-tube, usually sharply or bluntly quadrangular in cross-section (sometimes fluted in distal
  11 KB (948 words) - 21:01, 7 June 2022
• Potentilla sect. Multijugae
  cottony hairs only in P. breweri, glands usually absent or sparse, rarely common, rarely ± red. Stems usually prostrate to decumbent, sometimes ascending
  18 KB (1,094 words) - 13:58, 30 July 2020
• Penstemon sect. Erianthera
  orbiculate, ovate, obovate, lanceolate, oblanceolate, spatulate, elliptic, or oblong, rarely linear, margins entire or toothed. Thyrses continuous or interrupted
  10 KB (581 words) - 19:05, 29 July 2020
• Calochortus clavatus
  FNA Volume 26. Treatment on page 138. Mentioned on page 121, 140. Plants usually bulbose; bulb coat, when present, membranous. Stems slender or coarse, stout
  7 KB (496 words) - 05:37, 30 July 2020
• Oenothera sect. Kneiffia
  deeply divided into 4 linear lobes. Capsules leathery, straight, usually clavate or oblong, sometimes ellipsoid, angled or winged, apex rounded to truncate
  11 KB (892 words) - 21:04, 7 June 2022
• Castilleja affinis
  stipitate-glandular. Leaves green or purplish, sometimes redbrown, linear or linear-oblong to broadly lanceolate, 2–13 cm, not or ± fleshy, margins wavy or plane,
  12 KB (752 words) - 18:50, 29 July 2020
• Braya humilis
  2-forked, often mixed along petioles and stem base with simple ones. Stems usually few to several from base, rarely simple, ascending or erect, rarely subdecumbent
  11 KB (1,071 words) - 12:31, 30 July 2020
• Seligeria
  cells of distal leaf lamina ± opaque, usually as broad as long; leaves oblong to lanceolate; capsule ovate to oblong, not clearly widest at mouth > 10 9
  7 KB (262 words) - 06:53, 30 July 2020
• Caricaceae
  Inflorescences usually axillary, paniculate [cymose-paniculate, cymose, or racemose]; bracts present. Pedicels present or absent. Flowers usually unisexual
  8 KB (298 words) - 12:04, 30 July 2020
• Crataegus viridis
  obtuse, surfaces usually glabrous, except with tufts of hair in abaxial vein-axils. Inflorescences (3–) 10 (–50) -flowered; branches usually glabrous, sometimes
  11 KB (1,005 words) - 14:38, 30 July 2020
• Crataegus (sect. Coccineae) ser. Virides
  glabrous or pubescent, usually eglandular, sometimes sparsely glandular; blade narrowly elliptic to suborbiculate, narrowly rhombic to oblong and ovate, oblanceolate
  11 KB (967 words) - 14:38, 30 July 2020
• Myrica
  obovate, or oblong-ovate, membranous or leathery, margins entire or serrate-denticulate, especially in distal 1/2, pubescent or glabrous, usually gland-dotted
  9 KB (420 words) - 08:24, 30 July 2020
• Thymelaeaceae
  flexible; wood usually poorly lignified; bark ring; disc usually present (minute or absent in Thymelaea), surrounding gynoecium; stamens usually diplostemonous;
  7 KB (355 words) - 11:39, 30 July 2020
• Tetraphidaceae
  appressed or spreading, costate or ecostate, cells smooth, rounded-hexagonal or oblong-rhomboid, basal-cells elongate. Sexual condition autoicous; archegonia and
  5 KB (164 words) - 06:44, 30 July 2020
• Gladiolus
  obliquely funnel-shaped to cylindric; stamens usually unilateral; anthers usually parallel; style usually arching over stamens, dividing into 3 filiform
  8 KB (531 words) - 06:10, 30 July 2020
• Paysonia
  margins entire, dentate, or pinnately lobed; cauline sessile, blade (base usually auriculate or sagittate, sometimes amplexicaul), margins dentate to lobed
  11 KB (743 words) - 11:54, 30 July 2020
• Calochortus elegans
  campanulate; sepals oblong-lanceolate, 12–16 mm, usually glabrous, adaxial surface minutely papillose; petals light green to white, usually with purple crescent
  6 KB (466 words) - 05:34, 30 July 2020
• Hymenocallis
  flower with subtending, often narrowly lanceolate bract. Flowers 1–16, usually sessile, erect or slightly diverging, large and starlike, fragrant; perianth
  14 KB (860 words) - 05:56, 30 July 2020
• Alyssum
  apical or parietal). Fruits sessile, ovate-oblong, obovate, or elliptic [obcordate, rarely globose], usually strongly flattened, latiseptate, rarely inflated;
  11 KB (839 words) - 12:07, 30 July 2020
• Sinapis
  basal usually not rosulate, petiolate, blade margins usually lyrate, pinnatifid, or 1-pinnatisect or 2-pinnatisect, rarely undivided, (lobes usually coarsely
  11 KB (756 words) - 12:21, 30 July 2020

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