Leaves 8-25 cm. Peduncles 1-5 mm. Phyllaries 4-6 mm. Ray laminae 2-3 × 1-2 mm. Disc corollas 2-4 mm. Cypselae 2-3 mm; pappus scales 0.5-2.5 mm. 2n = 38.

Flowering Apr-Sep. Coastal bluffs, cliff faces; of conservation concern; 0-200 m; Calif.

Constancea nevinii is known from San Clemente, Santa Barbara, and Santa Catalina islands.