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Allium tuolumnense : ウィキペディア英語版 | Allium tuolumnense
''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.〕
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