Acmispon grandiflorus |
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chaparral bird's-foot trefoil, large leaf lotus, large-flower lotus |
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Habit | Herbs, perennial, cespitose, sometimes robust, grayish or green, 1–4(–15) dm, not fleshy, ± densely puberulent or strigillose; rhizomatous, woody based. | ||||
Stems | 1–5+, decumbent to erect, branched, herbaceous, often striate, leafy. |
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Leaves | irregularly pinnate; stipules glandlike, conic; petiolate or sessile; rachis 2–3.5(–5.5) mm, not flattened; leaflets 7–9(–12), blades usually elliptic to obovate, sometimes ovate, apex acute to obtuse, surfaces sparsely to densely puberulent or villosulous to strigillose. |
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Inflorescences | 3–9(–11)-flowered. |
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Peduncles | ascending or spreading, 10–80 mm, longer than leaves; bract 1(–3)-foliolate, distal. |
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Flowers | 12–25 mm; calyx (4.5–)5.5–10 mm, tube villosulous, lobes subulate; corolla greenish white, white or yellow, fading to rose or reddish, claws shorter than calyx tube, banner ascending 45–90°, wings longer than banner and keel; style nearly straight or basally curved, glabrous. |
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Legumes | persistent, exserted, brown, linear-oblong, straight, turgid, sometimes slightly constricted, incompletely septate, 25–42(–70) × 2–3 mm, leathery, apex short hook-beaked, dehiscent, smooth, margins smooth, thickened, glabrate. |
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Seeds | 5–9, olive to reddish brown, mottled, broadly ovoid, smooth. |
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Acmispon grandiflorus |
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Distribution | nw Mexico; California
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 11. | ||||
Parent taxa | Fabaceae > subfam. Faboideae > Acmispon | ||||
Sibling taxa | |||||
Subordinate taxa | |||||
Synonyms | Hosackia grandiflora, Anisolotus grandiflorus, Lotus grandiflorus, Ottleya grandiflora | ||||
Name authority | (Bentham) Brouillet: J. Bot. Res. Inst. Texas 2: 390. (2008) | ||||
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