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Allium lacunosum

Allium lacunosum (*)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Amaryllidaceae
Subfamilia: Allioideae
Tribus: Allieae
Genus: Allium
Species: Allium lacunosum
Varietas: A. l. var. davisiae – A. l. var. kernensis – A. l. var. lacunosum – A. l. var. micranthum

Allium lacunosum S.Watson, 1879
Native distribution areas:

Watson, S., Proc. Amer. Acad. Arts 14: 231 1879
USDA, NRCS. 2006. The PLANTS Database, 6 March 2006 ( Data compiled from various sources by Mark W. Skinner. National Plant Data Center, Baton Rouge, LA 70874-4490 USA.


Govaerts, R. et al. 2018. Allium lacunosum in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Jul. 22. Reference page.
Hassler, M. 2018. Allium lacunosum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Jul. 22. Reference page.
International Plant Names Index. 2018. Allium lacunosum. Published online. Accessed: Jul. 22 2018.

Vernacular names
English: pitted onion

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.[1][2]

The pitted onion, Allium lacunosum, grows from a thick-coated yellowish-brown bulb one or two centimeters long. The stem reaches up to about 35 centimetres (14 in) 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.


There are four varieties of this species, three of which are somewhat uncommon.

Allium lacunosum var. davisiae — Southern California[3][4]
Allium lacunosum var. kernense — Southern Sierra, Mojave Desert.[5][6]
Allium lacunosum var. lacunosum [7][8]
Allium lacunosum var. micranthum — Central Coast interior ranges.[9][10]


Calflora database: Allium lacunosum . distribution and info . accessed 1.28.2013
Jepson Manual: Allium lacunosum . accessed 1.28.2013
Jepson Manual: Allium lacunosum var. davisiae
Calflora: Allium lacunosum var. davisiae . with images.
Jepson Manual: Allium lacunosum var. kernense
Calflora: Allium lacunosum var. kernense . with images.
Jepson Manual: Allium lacunosum var. lacunosum
Calflora: Allium lacunosum var. lacunosum
Jepson Manual: Allium lacunosum var. micranthum
Calflora: Allium lacunosum var. micranthum . with images.

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