Flora of North America species comparison

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Astragalus sect. Solitarii
Habit Herbs perennial, caulescent, slender; caudex subterranean.
Stems

single or few.
Leaves

odd-pinnate, petiolate to short-petiolate;

leaflets 5–21.
Racemes

loosely flowered, flowers ascending or spreading then declined.
Corollas

ochroleucous, pale lilac, or whitish-tinged or lilac-veined, banner abruptly recurved through 85–90°, wings somewhat shorter than keel or longer than banner, keel apex obtuse or subacute.
Calyx

tubes campanulate.
Legumes

eventually deciduous, stipitate, usually declined or pendulous, sometimes spreading, narrowly oblong, lanceoloid-oblong, or oblong-ellipsoid, strongly laterally flattened, unilocular.
Seeds

(6–)8–16.
Hairs

basifixed.
Stipules

distinct.

Astragalus sect. Solitarii
Distribution
w United States
Discussion

Species 3 (3 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority Barneby: Mem. New York Bot. Gard. 13: 293. (1964)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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