Foliage usually greenish, sometimes purplish basally. Basal leaves: blade margins often pinnatifid, sometimes sinuate-dentate. Fruiting pedicels usually smoothly recurved, rarely nearly straight. Fruit valves usually glabrous, sometimes pubescent, trichomes clavate, 0.2-0.4 mm. Flowering Mar-May. Chaparral, rocky slopes, canyons, oak woodlands, washes; 200-1800 m; Ariz., Calif.; Mexico (Baja California). Variety laciniatus is found in Arizona on the extreme western side of the state.