Allium lacunosum is a species of wild onion known by the common name pitted onion. It is endemic to California, where it is a common member of the flora in many types of habitat, from bayside to mountain to desert. Calflora database: Allium lacunosum . distribution and info . accessed 1.28.2013Jepson Manual: Allium lacunosum . accessed 1.28.2013
Description The pitted onion, Allium lacunosum, grows from a thick-coated yellowish-brown bulb one or two centimeters long. The stem reaches up to about in maximum height. There are usually two leaves which may be as long or longer than the stem.
The inflorescence contains up to 45 dark-veined white to pale pink flowers, each less than a centimeter long.
Varieties There are four varieties of this species, three of which are somewhat uncommon. Allium lacunosum var. davisiae — Southern CaliforniaJepson Manual: Allium lacunosum var. davisiaeCalflora: Allium lacunosum var. davisiae . with images. Allium lacunosum var. kernense — Southern Sierra, Mojave Desert.Jepson Manual: Allium lacunosum var. kernenseCalflora: Allium lacunosum var. kernense . with images. Allium lacunosum var. lacunosum Jepson Manual: Allium lacunosum var. lacunosumCalflora: Allium lacunosum var. lacunosum Allium lacunosum var. micranthum — Central Coast interior ranges.Jepson Manual: Allium lacunosum var. micranthumCalflora: Allium lacunosum var. micranthum . with images.
References
External links
Jepson Manual Treatment: Allium lacunosum USDA Plants Profile — Allium lacunosum (pitted onion) Flora of North America Allium lacunosum — U.C. Photo gallery