Plant: Shrubs; to 4 m tall Leaves: dimorphic, the lower ovate, 12-23 cm long, the upper elliptic or lanceolate, shorter Inflorescence: 5-15 compact cymes, 1.4-3 cm in diameter Flowers: with calyx 2.7-4.5 mm long; corolla greenish yellow, funnelform, 4.2-6 mm long Fruit: FRUITS capsules, 4-4.5 mm long, dehiscence septicidal and loculicidal; SEEDS numerous, subfusiform, winged, 1.2-1.4 mm long Misc: Roadsides and fields; 700-1300 m (2300-4300 ft); Feb-Apr REFERENCES: Norman, Eliane M. 1992. BERBERIDACEAE. J. Ariz.-Nev. Acad. Sci. 26(1):2