Scape 20-40 cm. Umbel 30-100-flowered. Flowers: tepals white or with pinkish midveins; stamens ± equaling tepals; ovary crests white or greenish in fresh specimens. 2n = 14. Flowering May--Jun. Heavy clay soils, including serpentine; 1300--1900 m; Calif. Allium howellii var. clokeyi is known only from the Mount Piños region and San Bernardino Mountains.