Astragalus sect. Onobrychoidei
Prodr. 2: 285. 1825.
Herbs perennial, clump-forming, caulescent; caudex superficial or shallowly subterranean. Hairs malpighian. Stems several to many. Stipules connate. Leaves odd-pinnate, petiolate or subsessile; leaflets (7–)11–25. Racemes subspicate, densely flowered, flowers ascending. Calyx tubes short-cylindric. 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. Legumes often eventually deciduous, sessile or short-stipitate, erect [ascending], narrowly oblong or oblong-ellipsoid, 3-sided compressed, ± straight, bilocular. Seeds 9–16(–18).
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.
Selected References
None.