Astragalus lentiginosus var. latus |
Astragalus sect. Diphysi |
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freckled milkvetch, schell creek milkvetch |
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Habit | Plants perennial, 5–17 cm. | Herbs annual, biennial, or perennial, caulescent or subacaulescent; caudex superficial or subterranean. |
Stems | usually ascending, rarely prostrate. |
single or few to many. |
Leaves | (4–)6–13 cm; leaflets 11–17(–23), blades broadly obovate, ovate, or broadly oblanceolate, (4–)6–15 mm, apex shallowly notched or obtuse. |
odd-pinnate, petiolate to subsessile; leaflets (3–)7–27(or 29). |
Racemes | shortly and loosely 5–12(–18)-flowered, short and compact in fruit; axis 0.7–2(–4) cm in fruit. |
loosely or remotely flowered or subumbellate, flowers ascending to spreading or declined. |
Peduncles | 1.5–6 cm. |
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Flowers | (11.3–)15–19 mm; calyx (6.5–)7–12.5 mm, tube (4.5–)5.6–8.2 mm, lobes (1.4–)2–4 mm; corolla pink-purple. |
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Corollas | usually white, lilac, purple, or pink- to magenta-purple, lavender, or violet, sometimes ochroleucous or yellowish, keel apex usually purple, banner recurved through 30–50°, keel apex round, obtuse, or bluntly deltate. |
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Calyx | tubes cylindric or campanulate. |
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Legumes | green, red-mottled, becoming stramineous, plumply ovoid or subglobose, strongly inflated, 1–2.5 × 0.7–1.6 cm, leathery, glabrous; beak 2.5–5 mm, bilocular. |
usually deciduous, sometimes persistent, usually sessile, rarely short-stipitate, ascending, spreading, deflexed, or declined, linear, narrowly lanceoloid to oblanceoloid or ellipsoid, oblong, ovoid to obovoid, subglobose, or triangular-obcordate, ventral suture deeply grooved and appearing ± didymous, strongly inflated, terete, dorsiventrally compressed, or 3-sided compressed, straight or curved, usually bilocular, sometimes semibilocular or unilocular. |
Seeds | (12–)22–28. |
(7–)10–42. |
Hairs | basifixed. |
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Stipules | distinct. |
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Astragalus lentiginosus var. latus |
Astragalus sect. Diphysi |
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Phenology | Flowering May–Jul. | |
Habitat | Open, gravelly slopes in timber belt. | |
Elevation | (1700–)2200–3000 m. ((5600–)7200–9800 ft.) | |
Distribution |
NV |
w North America; nw Mexico |
Discussion | Variety latus is known from the Schell Creek and Egan ranges in White Pine County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Species 3 (3 in the flora). Section Diphysi has wide distribution in western North America, from British Columbia southward to northwestern Mexico. One of the species, Astragalus lentiginosus, consists of 42 varieties and is as complex an assemblage as occurs in many genera. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | A. diphysus var. latus | |
Name authority | (M. E. Jones) M. E. Jones: Rev. N.-Amer. Astragalus, 125. (1923) | A. Gray: Proc. Amer. Acad. Arts 6: 192. (1864) |
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