Plants (10-)15-30 cm. Stems decumbent, seldom distally branched. Cauline leaves: blades oblong, ovate, rounded-deltate, or subor-biculate, 4-12 cm, bases ± truncate or cordate, margins entire, faces glabrous (shining, finely gland-dotted, ± glutinous). Heads held among or beyond leaves. Involucres ± campanulate, 15-25(-30+) mm diam. Outer phyllaries ovate to ovate-lanceolate, 10-40+ mm (seldom surpassing ray corollas). Ray florets (7-)8-12, laminae (12-)20-30(-35) mm. Cypselae 7-9 mm, glabrous; pappi 0 or coroniform, 0.1-0.3 mm. 2n = 38.

Flowering Mar-Apr(-May). Openings in chaparral; 600-800 m; Calif.

Agnorhiza bolanderi is known only from the foothills of the Sierra Nevada, where it evidently grows only on serpentine soils.