[Wikipedia] Genus Info, Description, Species Ranges: Allium howellii is a North American species of wild onion known by the common name Howell's onion. It is endemic to California. Description Allium howellii is a tall onion plant, producing a stem which may exceed half a meter in height from a reddish-brown bulb one to two centimeters long. There is a single cylindrical leaf about as long as the stem. The inflorescence holds up to 100 dark-veined lavender to white flowers, each under a centimeter long.[2][3][4] Varieties Several varieties have been named: Allium howellii var. clokeyi Ownbey & Aase ex Traub - San Bernardino, Los Angeles, Ventura, Santa Barbara counties Allium howellii var. howellii - Merced, Fresno, Kern, San Luis Obispo counties Allium howellii var. sanbenitense (Traub) Ownbey & Aase - San Benito County Distribution and habitat Howell's onion grows in the granite and serpentine soils of several mountain ranges, hills, and valleys from San Joaquin County to San Bernardino County. (contributed by Mary Ann Machi)