Plants erect, not mound-forming, 0.5-5 m; bark on older stems gray, shredded . Leaves: petiole 1-3 mm; blade orbiculate to orbiculate-ovate, 1-2.2 × 0.8-1.8 cm, base truncate to ± lobed. 2n = 26.

Flowering winter-early spring. Maritime chaparral, closed-cone conifer forests; of conservation concern; 100-400 m; Calif.

Subspecies nummularia is known from northern Sonoma County to Mendocino County.