Rogue River Milkvetch

Hesperonix accidens (S. Wats.) Rydberg
Astragalus accidens S. Wats. Proc. Am. Acad. 22: 471. 1887.
A perennial; stems 3-5 dm. high, striate, sparingly villous; leaves ascending, 8-10 cm. long, the rachis sparingly villous; stipules lanceolate, free, 4-5 mm. long; leaflets 21-33, oblong or elliptic, 8-20 mm. long, cuneate at the base, truncate or retuse at the apex, glabrous above, pilose beneath ; peduncles about 1 dm. long; racemes 2-5 cm. long; bracts subulate, 3 mm. long; pedicels 1 mm. long; flowers reflexed; calyx black-hairy, the tube 4 mm. long, 3 mm. broad, the teeth lance-subulate, 1.5 mm. long; corolla white or cream-colored, 1 5—1 S mm. long; banner narrowly ovate, moderately arched at the middle; wings oblong-falcate, obtuse, the blade nearly twice as long as the claw, with a large reflexed auricle; keel-petals about 10 mm. long, the blade broadly lunate, with a large auricle; pod strigose, stipitate, coriaceous, the stipe about 6 mm. long, straight, the body oval-obovoid, abruptly contracted at each end, reticulate, 15 mm. long, 6 mm. wide and thick, terete, the sutures somewhat prominent.
Type locality: Southern Oregon.
Distribution: Oregon.