Scape 15-25(-35) cm. Umbel 15-30(-50)-flowered. Flowers: tepals white to usually pink or lavender; stamens equaling tepals or short-exserted; ovary crests purple in fresh specimens. 2n = 14. Flowering Mar--Apr. Clay soils, including serpentine, on open or grassy slopes; 200--900 m; Calif.