Plants with taproot, 0.8-6 dm. Leaf blades 1-6 × 1-4 cm, base broadly cuneate, rounded, or cordate, apex acute or short-acuminate to obtuse tip. Flowers sessile to short-pedicellate; perianth sac microscopically 2-4-lobed at apex, 0.4-0.8 mm. Achenes ovoid to broadly ovoid, 1-1.4 × 0.8-1 mm. 2 n = 24.

Flowering spring-early summer. Moist, shaded places in chaparral, deserts, grasslands, and woodlands, or in open areas; 0-1000 m; Calif.; Mexico (n Baja California).