Leaves oblanceolate to lance-linear. Peduncles 20-120 mm. Involucres 5-7 mm. Phyllaries 7-11, distinct, elliptic to oblanceolate, apices acuminate. Ray florets 7-11; corollas yellow, laminae 5-10 mm, entire or obscurely 3-lobed (mid lobes shorter than outers). Disc florets 20-40. Cypselae ± prismatic (not obcompressed), ± 2 mm, 3-angled (ray) or 4-angled (disc), glabrate. 2n = 26. Flowering Mar-Jul. Serpentinitic areas in grasslands or openings in chaparral or oak woodlands; 100-1200 m; Calif.