Allium crenulatum

Allium crenulatum, common name Olympic onion,[4] is a plant species native to Oregon, Washington, and British Columbia. It grows in the Cascades, the Coast Ranges, the Olympic Mountains, the Wenatchee Mountains, and the mountains on Vancouver Island.[5] There is one report from Alabama, but this needs verification. The species grows on talus slopes and in alpine tundra at elevations of 600–2500 m.[6][7]

Olympic onion

Apparently Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:
A. crenulatum
Binomial name
Allium crenulatum
Wiegand
Synonyms[2][3]
  • Allium cascadense M.Peck
  • Allium vancouverense Macoun
  • Allium watsonii Howell

Allium crenulatum produces ovoid bulbs up to 2 cm long, formed on rhizomes some distance from the parent bulb. Its leaves are flat, up to 35 cm long, sometimes with minute teeth along the margins. Scape is flattened and winged, up to 15 cm tall. Umbel is compact, with up to 25 flowers. Flowers bell-shaped, up to 13 mm across; tepals pink with darker pink midveins; anthers yellow or purple; pollen yellow.[6][8][9][10][11][12][13]

References
  1. "NatureServe Explorer - Allium crenulatum". NatureServe Explorer Allium crenulatum. NatureServe. 2022-06-22. Retrieved 22 Jun 2022.
  2. Tropicos
  3. The Plant List
  4. USDA Plant Profile
  5. Turner Photographics, wildflowers, Allium crenulatum, Olympic onion
  6. Flora of North America v 26 p 274, Allium crenulatum
  7. BONAP (Biota of North America Program) floristic synthesis, Allium crenulatum
  8. Wiegand, Karl McKay. 1899. Bulletin of the Torrey Botanical Club 26(3): 135, pl. 355, f. 1.
  9. Howell, Thomas Jefferson. 1902. Flora of Northwest America 6: 642.
  10. Peck, Morton Eaton. 1906. Proceedings of the Biological Society of Washington 49(24): 109.
  11. Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock, Vascular Plants of the Pacific Northwest, University of Washington Press, Seattle.
  12. Scoggan, H. J. 1978. Pteridophyta, Gymnospermae, Monocotyledoneae. 2: 93–545. In Flora of Canada. National Museums of Canada, Ottawa.
  13. Onions East of the Cascade Mountains, Washington and Oregon, Paul Slichter, Olympic onion, scalloped onion, Allium crenulatum
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