Allium denticulatum

Allium denticulatum is a species of wild onion known by the common name toothed wild onion. It is endemic to southern California, where it grows in the western Mojave Desert, the adjacent Tehachapi Mountains, the southern Sierra Nevada, and the Palomar Mountains. It is reported from Kern, San Bernardino, Riverside, Ventura, San Diego Counties.[2]

Toothed wild onion
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:
A. denticulatum
Binomial name
Allium denticulatum
(Ownbey & Aase ex Traub) McNeal, nom. illegit.[1]
Synonyms[1]

Allium fimbriatum var. denticulatum Ownbey & Aase ex Traub

Description

Allium denticulatum grows from a reddish-brown spherical to oval-shaped bulb just over a centimeter long. It produces a stem up to 18 centimeters tall and a single cylindrical leaf up to twice as long as the stem. The inflorescence contains up to 30 flowers with deep pink to purplish tepals which are toothed at their tips (this being unusual in the genus).[2][3][4][5][6]

Taxonomy

Some sources prefer to treat this taxon as a variety of Allium fimbriatum, A. fimbriatum var. denticulatum, rather than a distinct species.[1] Allium denticulatum Kit is a synonym of a different species, Allium carinatum.[7]

References
  1. "Allium denticulatum". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew. Retrieved 2016-08-15.
  2. Flora of North America v 26 p 251. Allium denticulatum
  3. Jepson Manual Treatment
  4. photo of herbarium specimen at Missouri Botanical Garden, isotype of Allium denticulatum, collected in Kern County
  5. McNeal, D. W. 1992. A revision of the Allium fimbriatum (Alliaceae) complex. Aliso 13(3):411–426.
  6. Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
  7. "Allium denticulatum Kit.'". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew. Retrieved 2016-08-15.


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