Flora of North America species comparison

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Astragalus sect. Micranthi
Habit Herbs perennial, caulescent; caudex superficial or slightly subterranean.
Stems

few to many.
Leaves

odd-pinnate, short-petiolate or subsessile;

leaflets (9–)13–25(or 27).
Racemes

densely becoming loosely flowered, flowers deflexed.
Corollas

whitish or yellow to green, suffused pale lavender, banner recurved through 45–90°, keel apex round or sharply or bluntly deltate, sometimes slightly beaklike.
Calyx

tubes campanulate.
Legumes

deciduous, at least eventually, sessile, reflexed, linear to narrowly lanceoloid or obliquely ovoid, 3-sided compressed, incurved, bilocular or sub-bilocular.
Seeds

(2–)4–10.
Hairs

basifixed.
Stipules

distinct.

Astragalus sect. Micranthi
Distribution
sw United States; n Mexico
Discussion

Species ca. 6 (2 in the flora).

In the flora area, Astragalus clevelandii and A. vaccarum occur in Arizona (only historically), New Mexico, and the Inner Coast Ranges of California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority A. Gray: Proc. Amer. Acad. Arts 6: 198. (1864)
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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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