Astragalus pomonensis M. E. Jones

Phaca pomonensis (M. E. Jones) Rydberg
Phaca densifolia Torr. Pacif. R. R. Rep. 4: 80. 1856. Not P. densifolia Smith, 1814. Astragalus Crotalariae A. Gray, Proc. Am. Acad. 6: 216, in part. 1864. Astragalus pomonensis M. E. Jones, Contr. W. Bot. 10: 59. 1902.
Perennial; stem 3-8 dm. high, striate and angled, glabrous; leaves 10-18 cm. long, ascending; stipules deltoid, about 5 mm. long, membranous; leaflets 11-35, oblong to oval, 1-2 cm. long, 3-8 mm. wide, acute at the base, rounded or rarely retuse at the apex, sparingly strigose beneath, glabrous above; peduncles 8-15 cm. long; racemes dense, 3-5 cm. long ; bracts lancesubulate, 1-2 mm. long; flowers reflexed in age; calyx-tube 4 mm. long, appressed-pubescent, sometimes slightly black-hairy, the lobes subulate, with a deltoid base, 1.5-2 mm. long; corolla ochroleucous, 10-12 mm. long, similar to that of P. densifolia; pod obliquely ovoid, 3 cm. long, 1.5-2 cm. wide, minutely strigose.
Type locality: Fallbrook, California.
Distribution: Southern California.