Flora of North America species comparison

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Astragalus sect. Onobrychoidei
Habit Herbs perennial, clump-forming, caulescent; caudex superficial or shallowly subterranean.
Stems

several to many.
Leaves

odd-pinnate, petiolate or subsessile;

leaflets (7–)11–25.
Racemes

subspicate, densely flowered, flowers ascending.
Corollas

whitish, bluish, reddish lilac, or magenta-purple, often drying bluish, nodding, mainly 13–19 mm, banner recurved through 25°, much surpassing keel, keel apex blunt or sharply deltate.
Calyx

tubes short-cylindric.
Legumes

often eventually deciduous, sessile or short-stipitate, erect [ascending], narrowly oblong or oblong-ellipsoid, 3-sided compressed, ± straight, bilocular.
Seeds

9–16(–18).
Hairs

malpighian.
Stipules

connate.

Astragalus sect. Onobrychoidei
Distribution
North America; Europe; Asia
Discussion

Species 75 (1 in the flora).

Section Onobrychoidei consists of species from Eurasia, except for one extending into the flora area.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority de Candolle in A. P. de Candolle and A. L. P. P. de Candolle: Prodr. 2: 285. (1825)
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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