Flowers: sepals remaining connate only near tip, usually reflexed in pairs or singly; petals 15–30 mm, blades gradually tapered to distinct claw, lobes prominent, separated by deep sinuses; stigma exserted beyond anthers. 2n = 14.

Flowering Apr–Jul. Mixed evergreen forests, woodlands, coastal scrub; 0–1500 m; Calif.

Subspecies concinna occurs from the San Francisco Bay area through much of northwestern California to Humboldt and Siskiyou counties, and in the Cascade Range foothills in Butte and Tehama counties.