Leaves mostly alternate; petiole 1–3 mm; blade oval, elliptic, or oblanceolate, 10–25(–33) × 5–19 mm. Capsule: valves rugulose to weakly ridged near apex; horns prominent.

Flowering Nov–Apr. Rocky slopes, canyons, chaparral; 10–900 m; Calif.

Variety megacarpus occurs on coastal slopes of mountains from Santa Barbara County south to San Diego County, and at isolated localities on several California Channel Islands.