Allium tuolumnense is a rare species of wild onion, known by the common name Rawhide Hill onion.Calflora database — Allium tuolumnense. Accessed 2013-02-05.
It is endemic to Tuolumne County, California, where it is known only from a small section of the Sierra Nevada foothills at Rawhide Hill and the Red Hills. It is a plant of serpentine soils.
Description This onion, Allium tuolumnense, grows from a reddish-brown bulb one to two centimeters long, producing a slender erect stem up to tall and usually a single leaf approximately the same length.eFloras.org. Accessed 2013-02-05.
The stem is topped with a hemispheric inflorescence holding 20 to 60 flowers, each on a pedicel one or two centimeters long. Each flower is just under a centimeter wide when fully open, with six white or pink oval-shaped tepals. There are six stamens and the ovary has six pointed crests.Denison, S. S. & McNeal, Dale W. 1989. Madroño 36(2): 128.
See also Serpentine soils Red Hills (Tuolumne County)
References
External links
Jepson Manual Treatment — Allium tuolumnense USDA Plants Profile Flora of North America Allium tuolumnense — U.C. Photo gallery