Flora of North America species comparison

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Astragalus sect. Layneani
Habit Herbs perennial, clump-forming, acaulescent or subacaulescent; caudex deeply subterranean, with horizontal rhizomes.
Stems

single or few.
Leaves

odd-pinnate, petiolate;

leaflets (11 or)13–21(or 23).
Racemes

loosely flowered, flowers initially ascending, later horizontal or slightly declined.
Corollas

whitish, lavender- or purple-tipped, banner recurved through 50°, keel apex obtuse.
Calyx

tubes deeply or broadly campanulate.
Legumes

deciduous, sessile, usually ascending or incurved-ascending, rarely declined, obliquely linear-ellipsoid, usually straight, sometimes crescent-incurved, 3-sided compressed, ± bilocular.
Seeds

26–36.
Hairs

basifixed.
Stipules

distinct.

Astragalus sect. Layneani
Distribution
w United States
Discussion

Species 1.

(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: 729. (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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