Flora of North America species comparison

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Astragalus sect. Hemiphaca
Habit Herbs perennial, caulescent; caudex superficial or shallowly buried.
Stems

few to several.
Leaves

odd-pinnate, short-petiolate;

leaflets 9–17.
Racemes

compactly flowered, flowers initially ascending then nodding.
Corollas

yellowish, keel purple-tipped, banner recurved through 30–45°, wing apex emarginate or bidentate, keel apex obtuse.
Calyx

tubes campanulate.
Legumes

deciduous, short gynophore present, erect-ascending, sessile, ovoid-ellipsoid, swollen but not bladdery, keeled ventrally, dorsally grooved, bilocular in proximal 1/2.
Seeds

6–8.
Hairs

basifixed.
Stipules

connate at proximal nodes, distinct at distal nodes.

Astragalus sect. Hemiphaca
Distribution
nw North America; Asia
Discussion

Species 46 (1 in the flora).

Plants mainly of montane, central Asia, and one in Alaska and upper Yukon River in Yukon.

Section Hemiphaca has been considered as synonymous with sect. Oroboidei (D. Podlech and S. Zarre 2013).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority Karelin & Kirilov: Bull. Soc. Imp. Naturalistes Moscou 15: 329. (1842)
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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