Allium howellii var. clokeyi
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.
Phenology: Flowering May–Jun.
Habitat: Heavy clay soils, including serpentine
Elevation: 1300–1900 m
Allium howellii var. clokeyi is known only from the Mount Piños region and San Bernardino Mountains.