Astragalus sect. Ampullarii |
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Habit | Herbs perennial, caulescent; caudex deeply subterranean. |
Stems | single or few. |
Leaves | odd-pinnate, petiolate; leaflets 7–21. |
Racemes | loosely flowered, flowers ascending. |
Corollas | ochroleucous or pink-purple, banner recurved through 25–30°, keel apex obtuse. |
Calyx | tubes short-cylindric. |
Legumes | persistent, stipitate, erect or ascending, ellipsoid, ovoid, or subglobose, inflated, ± unilocular. |
Seeds | 17–25. |
Hairs | basifixed. |
Stipules | connate or distally distinct. |
Astragalus sect. Ampullarii |
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Distribution | sw United States |
Discussion | Species 2 (2 in the flora). Section Ampullarii is considered here to contain two distinctive species held together by their subterranean caudices, connate proximalmost stipules, and inflated pods; distributions on Triassic Chinle muds are as noted below. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. |
Parent taxa | |
Subordinate taxa | |
Name authority | Barneby: Mem. New York Bot. Gard. 13: 567. (1964) |
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