| Allium tuolumnense | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Genus: | Allium |
| Species: |
A. tuolumnense
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| Binomial name | |
| Allium tuolumnense (Ownbey & Aase ex Traub) S. Denison & McNeal | |
| Synonyms | |
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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 endemictoTuolumne 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.
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]
Media related to Allium tuolumnense at Wikimedia Commons|
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| Related |
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| Allium tuolumnense |
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| Allium sanbornii var. tuolumnense |
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