Calochortus howellii, or Howell's mariposa lily, is a rare North American species of flowering plants in the lily family, found only in Josephine and Curry Counties in south-western Oregon.Gerritsen, M.E. & Parsons, R. (2007). Calochortus: Mariposa lilies & their relatives: 1-232. Timber press, Inc. Portland, U.S.A.Kew World Checklist of Selected Plant FamiliesWatson, Sereno 1888. Proceedings of the American Academy of Arts and Sciences 23(2): 266–267Biota of North America Program 2014 county distribution map
Calochortus howellii is a bulb-forming perennial with straight stems up to 40 cm tall. Petals are white or pale yellow with purple hairs on the petals.Flora of North America, Vol. 26 Page 129 Calochortus howellii S. Watson It grows on serpentine outcrops at lower or middle elevations.
References
External links Turner Photographics Wildflowers of the Pacific Northwest, Calochortus howellii