Allium tuolumnense
| Allium tuolumnense | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Genus: | Allium |
| Species: | A. tuolumnense
|
| Binomial name | |
| Allium tuolumnense (Ownbey & Aase ex Traub) S. Denison & McNeal
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| Synonyms | |
|
Allium sanbornii var. tuolumnense Ownbey & Aase ex Traub | |
Allium tuolumnense is a rare species of wild onion, known by the common name Rawhide Hill onion.[2]
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
[edit]This onion, Allium tuolumnense, grows from a reddish-brown bulb one to two centimeters long, producing a slender erect stem up to 50 centimetres (20 in) tall and usually a single leaf approximately the same length.[3]
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.[3][4]
See also
[edit]References
[edit]- ^ NatureServe (5 May 2023). "Allium tuolumnense". NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 15 May 2023.
- ^ Calflora database — Allium tuolumnense. Accessed 2013-02-05.
- ^ a b eFloras.org. Accessed 2013-02-05.
- ^ Denison, S. S. & McNeal, Dale W. 1989. Madroño 36(2): 128.
External links
[edit]
Media related to Allium tuolumnense at Wikimedia Commons- Jepson Manual Treatment — Allium tuolumnense
- USDA Plants Profile
- Flora of North America
- Allium tuolumnense — U.C. Photo gallery
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