Allium cratericola is a species of wild onion known by the common name Cascade onion. It is endemic to California, where is an uncommon member of the flora in several of the state's mountain ranges, including the northern and southern California Coast Ranges, the western Transverse Ranges, Klamath Mountains, and the Sierra Nevada foothills. Its range covers much of the state, from Riverside County to Siskiyou County.[4][5][6]
Description
Allium cratericola grows a short stem up to 10 centimetres (4 in) tall from a brown-coated oval-shaped bulb. There are one or two long, pointed leaves up to four times the length of the stem. The umbel contains up to 20 flowers clustered densely together. Each flower is bell-shaped, up to 15 mm (5⁄8 in) across; tepals white, pink or purplish with a dark purple-brown midvein; anthers and pollen are yellow.[4][7][8][9]
References
- ^ "NatureServe Explorer - Allium cratericola". NatureServe Explorer Allium cratericola. NatureServe. 2022-05-30. Retrieved 30 May 2022.
- ^ Tropicos
- ^ The Plant List
- ^ a b Flora of North America Editorial Committee (ed.). "Allium cratericola". Flora of North America North of Mexico (FNA). New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ "Allium cratericola". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
- ^ USDA, NRCS (n.d.). "Allium cratericola". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.
- ^ Eastwood, Alice (1934). "New Species in Liliaceae". Leaflets of Western Botany. 1 (12): 132.
- ^ Allium cratericola in the CalPhotos photo database, University of California, Berkeley
- ^ Hickman, J. C. (1993). "Allium cratericola". The Jepson Manual: Higher Plants of California. Berkeley: University of California Press. pp. 1–1400.
External links
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