Flora of North America species comparison

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Astragalus sect. Malaci
Habit Herbs perennial, caulescent; caudex superficial or shallowly subterranean.
Stems

single or few to many.
Leaves

odd-pinnate, usually petiolate, sometimes short-petiolate or subsessile;

leaflets (5–)9–29.
Racemes

sometimes subcapitate, usually loosely flowered, flowers ascending or spreading to declined.
Corollas

usually reddish violet, reddish purple, pink-purple, purplish, ochroleucous, or whitish, sometimes suffused with purple, banner recurved through 30–45°, keel apex obtuse.
Calyx

tubes cylindric or campanulate-cylindric.
Legumes

deciduous or persistent, stipitate or subsessile, recurved, humistrate and ascending or descending or reclining, or erect, narrowly oblong, oblong-ellipsoid, or cylindric, incurved or ± straight, compressed laterally or dorsiventrally or 3-sided, ± bilocular or subunilocular.
Seeds

16–36.
Hairs

basifixed.
Stipules

distinct.

Astragalus sect. Malaci
Distribution
w United States
Discussion

Species 9 (9 in the flora).

Section Malaci consists of four subsections: subsect. Cibarii Barneby (Astragalus cibarius); subsect. Ensiformes Barneby (A. ensiformis, A. malacoides, A. minthorniae); subsect. Vallares (M. E. Jones) Barneby (A. cimae, A. vallaris); and subsect. Malaci (M. E. Jones) Barneby (A. chamaemeniscus, A. holmgreniorum, A. malacus).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority M. E. Jones: Rev. N.-Amer. Astragalus, 225. (1923)
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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