Involucres 1–8 or more per cluster, narrowly turbinate to campanulate; teeth (3–) 5–6 (–10), erect or occasionally spreading, apex acute to obtuse or rounded. Flowers
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spreading-hairy (C. exserta), pollen-sacs 2, unequal; staminode 0; ovary 2-locular, placentation axile; stigma capitate, entire, or 2-lobed. Capsules: dehiscence loculicidal
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absent or round and smooth, tomentose to floccose or glabrous; bracts usually 2–10 sometimes more, scalelike, semileaflike, or leaflike. Peduncles absent (or
24 KB (947 words) - 10:41, 30 July 2020
aggregated achenes, individually deciduous, 1–260, obliquely ± ovoid, 0.5–2.6 mm, glabrous or rarely ± hairy apically or on style scar; hypanthium persistent;
31 KB (1,939 words) - 13:53, 30 July 2020
8–25 mm diam.; hypanthium ± obconic, constricted at disc except for opening, 2–6 mm wide; sepals 5, spreading, triangular; petals 5, white, sometimes pale
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to Jepson (Fl. Calif. 436, 1914).” Atriplex sibirica Linnaeus, Sp. Pl. ed. 2, 2: 1493. 1763 This was supposedly collected in northeastern United States,
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appendaged, margins entire or emarginate to 2-fid, rarely pinnatifid [fimbriate or filiform]; stamens (2 or 4) 6 [8–24], in 2 whorls, usually tetradynamous (lateral
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obtrullate, rhombic-ovate, broadly ovate to suborbiculate, 1–8 (–12) cm, length 1.6–2 times width, coriaceous to thin, lobes 0 or 1–4 or 5 (–9), sinuses usually
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354, 363, 378. Shrubs or trees, sometimes forming clonal thickets, 1–400 dm, glabrous or hairy. Stems 1–20+; bark reddish, reddish-brown, gray-brown,
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mostly yellow, infrequently whitish or reddish, funnelform to tubular; tepals 6, connate basally into tube atop a typically constricted neck; limb lobes erect
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arrangement of mericarps in a spherical head Treatment appears in FNA Volume 6. Treatment on page 357. Mentioned on page 215, 216, 219, 361. Herbs, annual
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thinly floccose or glabrous; teeth 6–12, lobelike, reflexed, 1–4 (–6) mm. Flowers 2–10 (–12) mm, including (0.7–) 1.3–2 mm stipelike base; perianth various
27 KB (1,609 words) - 10:41, 30 July 2020
sometimes clawed; stamens 6, alternating in 2 whorls of 3, erect, incurved, or divergent; filaments mostly short, basally expanded; anthers 2-locular, ± equaling
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Staminate flowers: sepals (3–) 5 (–6), valvate or slightly imbricate, distinct or connate basally; petals (3–) 5 (–6) or 0, distinct, white; nectary extrastaminal
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tepals 6, similar, fleshy, distinct to or connate at base, whitish to cream or tinged slightly with green or purple, occasionally pubescent; stamens 6; filaments
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present in sect. Oxycoccos). Flowers: sepals 4–5, connate basally; petals 4–5 (–6), connate nearly their entire lengths, sometimes distinct or nearly so, white
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usually glabrous (rarely tomentose) adaxially; tepals connate proximally 1/5–1/2 their length, monomorphic or dimorphic; stamens included or exserted; filaments
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absent; sepals 4–6, distinct or connate basally to most of length; petals 0 or [4–] 5 [–6], distinct; nectary present or absent; stamens 2–5 [–50], distinct
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glabrous or pubescent, rarely hirsute or hispid, trichomes simple or branched, 2–14-rayed, sometimes dendritic, not stellate. Stems erect, ascending, or decumbent
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matted, sometimes forming hanging clumps, often aromatic, (0.1–) 0.3–6 (–6.5) dm, sparsely to densely hirsute, sericeous, villous, or pilose, sometimes
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surface of style arm at base of crest; ovary terete or roundly 3-angled or 6-angled or grooved. Fruits capsular, wall papery or becoming dry and hardened
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stramineous. Leaves marcescent or winter-persistent, primarily basal, cauline 1–6 (–10), gradually or abruptly reduced distally, alternate, odd-pinnate; stipules
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from blade, (apex obtuse, rounded, emarginate, or subemarginate); stamens (6, rarely 4), equal in length; filaments not dilated basally; anthers ovate,
23 KB (1,239 words) - 12:23, 30 July 2020
reflexed, rarely ascending, lanceolate or ovatelanceolate, 5–30 (–40) × 1.5–6 mm, margins entire or pinnatifid, abaxial surfaces glabrous, rarely pubescent
24 KB (1,103 words) - 13:51, 30 July 2020
Pflanzenfam. 95[III,6]: 214. 1893. Norman K. B. Robson Basionym: Undefined sect. Myriandra Spach Ann. Sci. Nat., Bot., s é r. 2, 5: 364. 1836 Treatment
13 KB (445 words) - 11:15, 30 July 2020
dense rosettes, usually alternate, sometimes opposite or in whorls of 3–5 [–6], ± alike, petiolate or sessile, not connate basally; blade linear to orbiculate
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flattened, perfectly septate. Inflorescences terminal panicles or racemes of 2 to –many heads, a single terminal head, or rarely a cyme of heads, sympodial;
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appears in FNA Volume 6. Treatment on page 389. Mentioned on page 387, 390. Herbs, perennial or biennial, or subshrubs, (0.7–) 1.5–9 dm, sericeous, villous
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number."dm" is not declared as a valid unit of measurement for this property. "dm" is not declared as a valid unit of measurement for this property."dm" is
10 KB (569 words) - 06:10, 30 July 2020
species 2, 16, 26, 29, 31), raspberries (subg. Idaeobatus, species 11, 13, 14, 17, 20, 21, 24, 28, 33), and blackberries (subg. Rubus, species 1, 4–6, 8, 10
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ovules (10–) 12–120 per ovary; style distinct or obsolete; stigma entire or 2-lobed. Seeds uniseriate, usually flattened, rarely plump, usually winged, rarely
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Crocanthemum scoparium, Crocanthemum suffrutescens Spach Ann. Sci. Nat., Bot., sér. 2, 6: 370. 1836. Bruce A. Sorrie Common names: Frostweed rushrose rockrose Etymology:
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oblong or narrowly obovate, sometimes obtrullate, ovate, or suborbiculate, (0.6–) 1–4 (–5) cm, thin to coriaceous, firm to floppy, base narrowly cuneate to
22 KB (1,233 words) - 13:46, 30 July 2020
sparsely pubescent; teeth 5–8, 0.2–0.6 mm. Flowers (1.5–) 2–4 mm; perianth white or yellow, sometimes pink or rose, glabrous or pubescent; tepals connate proximal
14 KB (1,118 words) - 10:38, 30 July 2020
blade, (apex obtuse, rounded, or emarginate); stamens 2 or 4 and equal in length, lateral or median, or 6 and tetradynamous; filaments not dilated basally;
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slits; staminodes absent or present, sometimes petaloid and petals appearing to 6+; pistil 1, 3–7-carpellate, ovary inferior, 1-locular, placentation parietal
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255. Subshrubs or shrubs, erect to spreading, not scapose, 0.2–1.5 × (0.6–) 1–13 (–16) dm, white to tannish-tomentose, floccose, or glabrous. Stems spreading
15 KB (1,118 words) - 10:29, 30 July 2020
120, 122, 247, 250, 274, 281, 288, 290, 292, 304. Herbs, perennial, 0.5–10 dm, sparsely to densely short eglandular-hairy, long septate-glandular, and peglike-glandular;
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tunicate, often extending into neck of clasping, distichous leaf-bases. Leaves 2–16, deciduous or evergreen, sessile, rarely petiolate; blade narrowly to widely
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foliation, 2–15 mm diam.; epicalyx bractlets 1 or 2; hypanthium usually hemispheric or campanulate, sometimes turbinate or crateriform, 0.5–2 (–5) mm, ±
20 KB (1,036 words) - 14:24, 30 July 2020
on page 20, 76, 77, 78, 89, 95, 104, 108. Shrubs or subshrubs, 1–50 (–100) dm; rhizomatous or stoloniferous. Stems 1–20, erect to spreading, arching, climbing
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sophioides, Descurainia torulosa Webb & Berthelot Hist. Nat. Îsles Canaries 3(2,3): 72. 1836. Barbara E. Goodson, Ihsan A. Al-Shehbaz Common names: Tansy mustard
18 KB (1,258 words) - 12:28, 30 July 2020
infrageneric taxa and combinations in Chenopodium L. (Chenopodiaceae). Novon 6: 398–403. Aellen P. and T. Just. 1943. Key and synopsis of the American species
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suborbiculate, 2–6 (–9.5) cm, thin to chartaceous, sometimes subcoriaceous, base cuneate to rounded, truncate, or broadly ovate, lobes 0, or 1–5 (or 6) per side
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pedunculate, not subtended by foliaceous bracts, (6–) 40–100+ in ± corymbiform to paniculiform arrays (6–) 10–25+ cm diam. Involucres ± campanulate to obconic
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petals; carpels 2–5, connate, adnate to hypanthium, ovary 6–10-loculed by false partitions, apex densely hairy or glabrous, styles 2–6, terminal, distinct
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lobed; leaflets (1–) 3–16 (–20) per side, separate to overlapping, divided ± 1/6–3/4+ to midrib into 3–30 (–60) teeth or lobes not restricted to apex. Inflorescences
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sect. Gaylussacia (species 2–5) with deciduous leaves with some stipitate-glandular hairs; and sect. Decamerium (species 6–10) with deciduous leaves and
10 KB (580 words) - 12:53, 30 July 2020
(minutely reticulate), not mucilaginous when wetted; cotyledons accumbent. x = 6–12. North America, Mexico, South America (Andes), South America (Colombia to
85 KB (2,094 words) - 12:08, 30 July 2020
base of ovary or absent; stamens (2–) 4–6 (–12), usually 6 or 12, in 1 or 2 whorls, complementing style lengths; ovary 2-locular; placenta elongate; style
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soft, or absent. Inflorescences (2–) 5–50 (–70) -flowered, cymose, ± to very open. Pedicels straight in fruit, 0.2–3 (–6.5) cm, proximal often much longer
18 KB (1,044 words) - 13:56, 30 July 2020
1; ovary usually superior (semi-inferior to inferior in Punica and Trapa), 2–6-locular (to 9 twisted locules in Punica); placentation axile, placenta elongate
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tomentose; blade oblanceolate to elliptic or spatulate to rounded, 0.2–6 × (0.1–) 0.2–1.5 cm, lanate to tomentose or floccose, sometimes less so adaxially
13 KB (1,117 words) - 10:39, 30 July 2020
almost black, sometimes purple or chestnut-brown, usually slender, (1–) 2–4 (–6) cm. Leaves: petiole length 20–66% blade, glabrous or pubescent, usually
16 KB (1,084 words) - 14:44, 30 July 2020
inflorescence branches, cylindric to turbinate or rarely campanulate; teeth 5, rarely 6–8, erect or rarely spreading, rarely lobelike, spreading to somewhat reflexed
19 KB (884 words) - 10:50, 30 July 2020
disposed in 1s, 2s or 3s on long scapes or peduncles; bracts present; buds nodding [erect]. Flowers: sepals 2 (-3), distinct; petals 4 (-6); stamens many;
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beyond ovary, tube gradually to abruptly expanded, limb 5-lobed; stamens 3–6, exserted; styles exserted beyond stamens; stigmas capitate. Fruits radially
15 KB (526 words) - 09:38, 30 July 2020
clawed; stamens (8–) 10–20 (–23) in 1 or 2 series, shorter than petals; carpels 1–5, distinct, adnate to proximal 1/2 of hypanthium, glabrous or strigose to
31 KB (1,652 words) - 14:31, 30 July 2020
branching or not, strongly flexuous, 3–10 dm. Leaves: basal withering, 1–2 dm; blade linear. Inflorescences subumbellate, 1–6-flowered; bracts 4–8 cm, bases dilated
7 KB (496 words) - 05:37, 30 July 2020
persistent basal rosettes, 0.1–2 (–3) dm, lengths 1–3 (–4) times basal leaves. Leaves: basal sometimes 2-ranked; cauline 0–2 (–3); primary leaves ternate
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(1–) 3–20 × 2–25 (–30) cm; branches dichotomous, tomentose, floccose, or rarely glabrous; bracts 3, scalelike, usually triangular, and 1–3 (–6) mm, or leaflike
15 KB (1,306 words) - 10:30, 30 July 2020
elliptic to lanceolate-elliptic or orbiculate, 3–6.5 × 1.3–2.5 cm; filaments 0.7–2.8 cm; anthers 3.2–6 mm; pistil 1.5–3.5 cm; style white to pale green
10 KB (682 words) - 06:11, 30 July 2020
Crataegus (sect. Douglasia) ser. Purpureofructus Loudon Arbor. Frutic. Brit. 2: 823. 1838. James B. Phipps Endemic Treatment appears in FNA Volume 9. Treatment
8 KB (677 words) - 14:35, 30 July 2020
aromatic; taproot slender or stout, not fusiform or fleshy. Stems (0.1–) 0.2–2.5 (–3) dm. Basal leaves planar or loosely to tightly cylindric; stipules present;
13 KB (1,038 words) - 14:03, 30 July 2020
distal 1/2–2/3 of inflorescence, shorter than 10 cm. Flowers 2–12 per cluster, erect, urceolate, 2.3–4.3 cm; perianth yellow, tube campanulate, 1–4 × 6.5–11
7 KB (560 words) - 06:13, 30 July 2020
[shrubs], annual or perennial, aquatic or terrestrial, not viviparous, 0.1–5 dm, glabrous [pubescent]. Stems erect, decumbent, or spreading, simple or branching
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petals white to pale lavender, (well-developed or reduced to bristles), 4.6–9.7 × 1.5–3 mm, claw not distinct. Fruits (4-angled or 8-ribbed), cylindrical
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very short. Leaves: blade ± ovate, 1.2–6 cm, ± thin, lobes (0 or) 1–4 per side, sinuses shallow or deep, veins 2–8 per side, to lobes and sinuses, sometimes
7 KB (671 words) - 14:34, 30 July 2020
120, 274, 303, 304, 310. Herbs, perennial, 0.2–4 (–8) dm; rhizomatous, often forming woody stock. Stems 1–6 (–10), decumbent to ascending or erect, usually
18 KB (1,235 words) - 14:11, 30 July 2020
or straight in fruit, (0.5–) 1–4 (–6) cm, proximal often not much longer than distal. Flowers 5-merous; hypanthium 2–6 mm diam.; petals yellow, narrowly
18 KB (1,094 words) - 13:58, 30 July 2020
(smooth), mucilaginous or not when wetted; cotyledons accumbent. x = 4, 5, 6, 7, 8, 9, 10, 12, 15. North America, n Mexico, s South America (Argentina)
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longibracteata), ± aromatic; taproot stout to fusiform and fleshy. Stems (0.2–) 0.3–2 (–4) dm. Basal leaves usually loosely to very tightly cylindric (mousetail-like
11 KB (910 words) - 14:04, 30 July 2020
styles 3, 1–2.5 mm, deeply 2-fid, terminal segments 6. Capsules 3.5–6 × 4–5 mm, smooth; columella 3-angled. Seeds 3–4 × 2–2.5 mm, shiny. 2n = 16. Generated
10 KB (534 words) - 18:31, 29 July 2020
aromatic; taproot stout to fusiform and fleshy. Stems (0.3–) 1–4.5 (–5.5) dm. Basal leaves loosely to tightly cylindric (± mousetail-like in I. argyrocoma
11 KB (851 words) - 14:05, 30 July 2020
Pedicels ± straight in fruit, 0.2–2 (–5) cm, proximal often much longer than distal. Flowers 5-merous; hypanthium 2.5–6 mm diam.; petals pale-yellow or
16 KB (1,082 words) - 14:02, 30 July 2020
per side, lobe apex acute to obtuse, venation craspedodromous, veins (3–) 6–8 per side, adaxial surface scabrous-pubescent young, glabrescent. Inflorescences
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prominent collar, spreading, nonaccrescent; pyrenes (2 or) 3–5, often angular. c, e North America Species 6 (6 in the flora). Members of ser. Pruinosae are common
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androecium epigynous or 1/2 epigynous, odor strong, often considered unpleasant or rancid, 5–17 mm diam.; hypanthium green to red, obconic, 2–6 mm, glabrous or hairy;
21 KB (1,208 words) - 14:28, 30 July 2020
node; petiole 0.2–2 (–4) cm, tomentose to floccose; blade linear, oblanceolate, or spatulate to elliptic, (0.2–) 1–10 (–12) × 0.1–0.9 (–1.2) cm, densely tomentose
15 KB (1,197 words) - 10:31, 30 July 2020
reticulate), mucilaginous when wetted; cotyledons incumbent, rarely accumbent. x = (6) 7, 8 (9–17). North America, n Mexico, Central America, Europe, Asia, n Africa
17 KB (1,002 words) - 12:29, 30 July 2020
Robson Sarothra sect. Trigynobrathys Y. Kimura Treatment appears in FNA Volume 6. Treatment on page 88. Mentioned on page 73. Herbs, annual or perennial (stems
10 KB (391 words) - 11:15, 30 July 2020
persistent basal rosettes, 0.2–2.5 (–4.5) dm, lengths 1.5–5 times basal leaves. Leaves: basal rarely 2-ranked; cauline 0–2 (–3); primary leaves usually
21 KB (1,382 words) - 14:01, 30 July 2020
Involucres 1.5–2 mm, awns ivory or reddish, 2–5 mm. Flowers: perianth 2–2.5 mm; filaments 2–2.5 mm; anthers 0.3–0.6 mm. Achenes 1.7–2 mm. Generated Map
5 KB (647 words) - 10:53, 30 July 2020
Herbs, perennial (dying back in winter to rootstock), not viviparous, 0.3–6 dm, glabrous [pubescent]. Stems a rootstock with apex mostly above ground, erect
8 KB (450 words) - 13:00, 30 July 2020
Bulbs seldom clustered, globose, 1–5 cm diam. Leaves usually fewer than 10, 1–6 dm × 4–20 mm. Inflorescences 20–80 cm; sterile bracts absent, bracts subtending
7 KB (506 words) - 05:59, 30 July 2020
583, 588, 589, 591, 603, 610, 625, 664. Herbs, perennial, (0.8–) 1–5 (–6) dm; from a branched, woody caudex; with a taproot. Stems few-to-many, erect
11 KB (743 words) - 18:50, 29 July 2020
incurved, ± accrescent; pyrenes (3–) 5. North America, Mexico, in Europe Species 6 (6 in the flora). Crataegus mollis and immediate relatives (with 20 stamens
16 KB (1,227 words) - 14:40, 30 July 2020
involute, or terete; bracteoles 2, at base of perianth. Flowers borne singly, not in heads. Capsules 1-locular (placentae 1/2–3/4 distance to central axis)
9 KB (421 words) - 00:51, 30 July 2020
erect to spreading, stout to slender, solid, not fistulose, (0.1–) 0.5–4 (–6) dm, tomentose, floccose, or glabrous. Leaves basal and fasciculate in terminal
13 KB (1,147 words) - 10:35, 30 July 2020
keel crested, crest 2-lobed, often fimbriate (lobes subdivided into fingerlike lobes), glabrous (pubescent in P. alba); stamens (6–) 8 in chasmogamous
19 KB (903 words) - 21:03, 7 June 2022
rosettes, 0.2–2 (–3) dm, lengths 1–3 (–5) times basal leaves. Leaves: basal not in ranks; cauline 0–2; primary leaves ternate or palmate, (1–) 2–10 (–18)
12 KB (863 words) - 13:59, 30 July 2020
persistent basal rosettes, 0.2–1.5 (–2.7) dm, lengths 1/2–3 (–4) times basal leaves. Leaves: basal not in ranks; cauline 0–2; primary leaves palmate to subpalmate
13 KB (976 words) - 13:58, 30 July 2020
conspicuously glandular, resinously aromatic. Stems ascending to erect, (0.6–) 1–6 (–9) dm. Basal leaves planar; stipules entire; leaflets 3–8 (–15) per side,
7 KB (667 words) - 14:07, 30 July 2020
if present, 5 (10 in G. glaciale); hypanthium saucer-shaped to cupshaped, 2–6 mm; sepals 5 (–10 in G. glaciale), erect to erect-spreading, reflexed or not
22 KB (1,259 words) - 14:34, 30 July 2020
in A. von Humboldt et al. in A. von Humboldt et al., Nov. Gen. Sp. 6(fol.): 183. , 6(qto.): 232. , plate 559. 1824. James Henrickson, Brian D. Vanden Heuvel
13 KB (773 words) - 14:15, 30 July 2020
scapelike, 1–2 m, less than 2.5 cm diam. Flowers pendent; perianth hemispheric; tepals distinct, pale greenish white, thin, 2.5–4.8 × 1.1–2.6 cm, apex acute;
7 KB (518 words) - 06:12, 30 July 2020
ovate or ovate-deltate, 3–6 (–8) cm, thin to chartaceous, base cuneate to rounded or truncate to subcordate, lobes 0 or 3–6 per side, sinuses shallow to
13 KB (959 words) - 14:41, 30 July 2020
to blackish or chestnut-brown, medium to stout, (2–) 3–6.5 cm. Leaves: petiole usually short, length 0–18 (–31) % blade, usually glabrous, sometimes villous
13 KB (1,053 words) - 14:38, 30 July 2020
entire; inflorescence leaf-blades 1.5–6.5 cm. Scape 2.5–6 dm. Inflorescences racemose, sometimes branched, 6.5–9 dm × 0.7–2.8 (–20) cm; bracts caducous, 1.5–3
6 KB (505 words) - 06:10, 30 July 2020
paniculate or racemose, 5–250-flowered. Flowers 3-merous (6 tepals, 6 stamens) or, by reduction, 2-merous (4 tepals, 4 stamens); perianth spreading; tepals
9 KB (616 words) - 05:45, 30 July 2020