Astragalus accidens var. accidens

Title

Astragalus accidens var. accidens

Author(s)

Rupert C. Barneby

Scientific Name

Astragalus accidens S.Watson var. accidens

Description

154b. Astragalus accidens var. accidens

Leaflets 23-29, glabrous above; peduncles mostly a little shorter than, sometimes equaling the leaf, 4.5—10.5 cm. long; pod loosely strigulose with incurved hairs up to 0.25-0.35 mm. long, the slender stipe 5-8 mm. long.—Collections: 14 (ii); representative: J. W. Thompson 10,190 (CAS, NY, WTU), T. Howell (from Cow Creek Mts.) in 1887 (G, ND, NY, ORE, P, WS, WTU); Jones (from Glendale) in 1902 (CAS, NY, POM); Ripley & Barneby 9536 (CAS, NY, RSA, UTC, WTU).

Dry hillsides in shade of oaks, in light gravelly soils rich in humus from decaying litter, 500-2500 feet, local but forming extensive colonies on the upper forks of the Umpqua and the middle Rogue Rivers, southern Douglas and eastern Josephine Counties, Oregon.—Map No. 61.—Late April to July, the fruits deciduous and remaining long unopened on the ground.

Astragalus accidens (falling forward, of the stems and pods) Wats. in Proc. Amer. Acad 22: 471. 1887.--"Southern Oregon (T. J. Howell, 1881) "-Holotypus, collected April 15, 1881, US! isotypi, GH (fragm.), WS (from Roseburg)!—Hesperonix accidens (Wats.) Rydb. in N. Amer. Fl. 24 : 438. 1929.