Comprehensive Description
provided by North American Flora
Phaca prorifera (M. K. Jones) Rydberg
Astragalus proriferus M. K. Jones, Zoe 4: 275. 1893.
Probably perennial; stem shrubby at the base, 3-6 dm. high, shorl -villous, canescent; leaves 5-10 cm. long, ascending, the rachis short-villous; stipules tiiangulai, 2-3 mm. long, leaflets 17-23, oblong or oblong-lanceolate to obovate, obtuse, 6-20 mm. long, 2-6 mm. wide; peduncles stout, 4—6 cm. long; racemes 4-S cm. long, many-flowered; calyx white-villous, the tube 3 mm. long, the lobes subulate, 1.5 mm. long; corolla dark-purple, fading yellowish, 8 mm. long; banner obovate, emarginate; wings shortei, the blade oblanctolate; keel-petals strongly falcate, obtuse; legume obliquely ovoid, about 12 mm. long, 6-7 mm. wide, densely shortvillous, gibbous on the lower suture, nearly straight on the upper.
Type locality: San Pedro Martir. Lower California. Distribution: Known only from the type locality.
- bibliographic citation
- Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY