Calochortus lyallii

Calochortus lyallii, or Lyall's mariposa lily, is a North American species of flowering plant in the lily family. It is native and endemic to Province of British Columbia in western Canada, as well as the State of Washington in the northwestern United States.[2][3][4][5][6][7] It only grows east of the Cascade crest in the mountains and foothills, and though its numbers are apparently secure in Washington, it is considered to be a blue-listed species in Canada- blue-listed taxa are at risk, but are not extirpated, endangered or threatened.[8] It is found in dry to mesic open forest at lower to middle elevations in the mountains, commonly found with Pinus ponderosa (Ponderosa pine), Pseudotsuga menziesii (Douglas fir), Calamagrostis rubescens (pinegrass) and Carex geyeri (elk sedge).[9]

Calochortus lyallii
Calochortus lyallii in Icicle Canyon, Chelan County Washington
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Liliales
Family: Liliaceae
Genus: Calochortus
Species:
C. lyallii
Binomial name
Calochortus lyallii
Synonyms[1]

Calochortus ciliatus B.L.Rob. & Seaton

Description

Calochortus lyallii is a bulb-producing perennial herb up to about 50 centimeters tall. Flowers are upright, bell-shaped, white to pale violet with darker markings on the petals.[10][11][12]

References
  1. Kew World Checklist of Selected Plant Families
  2. Douglas, G.W., Meidinger, D. & Penny, J.L. (2002). Rare Native Vascular Plants of British Columbia , ed. 2: 1-358. Province of British Columbia.
  3. Gerritsen, M.E. & Parsons, R. (2007). Calochortus: Mariposa lilies & their relatives: 1-232. Timber press, Inc. Portland, U.S.A.
  4. Turner Photographics Wildflowers of the Pacific Northwest photos and range map
  5. Biota of North America Program 2014 county distribution map
  6. Burke Museum of Natural History and Culture, University of Washington, Calochortus lyallii photos and range map
  7. Tall Timbers E.V. Komarek Fire Ecology Database, Status of Lyall's Mariposa Lily, Calochortus lyallii (Liliaceae), in Canada
  10. Flora of North America, Vol. 26 Page 130, Calochortus lyallii S. Watson
  11. Biota of North America Program 2014 county distribution map, Calochortus lyallii
  12. Baker, John Gilbert 1874. Journal of the Linnean Society, Botany 14(76): 305 description in Latin
  • Calochortus lyallii pre-flowering
  • Calochortus lyallii
  • Calochortus lyallii - Flickr 003
  • Calochortus lyallii 5
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