Английская Википедия:Allium tribracteatum
Шаблон:Short description Шаблон:Speciesbox Allium tribracteatum, known by the common name Threebract onion,[1] is a species of wild onion[2] found in California.
Distribution and habitat
The plant is endemic to California, where it is known only from the slopes of the Sierra Nevada in Tuolumne and Calaveras Counties.[2][3][4]
Description
Allium tribracteatum is a small onion plant producing a stem only a few centimeters long from an oval-shaped bulb. There are two leaves which are usually much longer than the stem. The inflorescence contains up to 30 petite white to purple flowers, each less than a centimeter long. Tepals are white to pink with red or purple midveins; anthers purple; pollen gray.[2][5][3] Flowers bloom March to May.[3]
References
External links
- ↑ CalFlora taxon report 237, Allium tribracteatum Torrey (three bracted onion, threebract onion)
- ↑ 2,0 2,1 2,2 Jepson Treament, University of California, Berkeley . accessed 3.20.2013
- ↑ 3,0 3,1 3,2 Flora of North America v 26 p 269, Allium tribracteatum
- ↑ United States department of Agriculture Plants Profile, Allium tribracteatum
- ↑ Torrey, John. 1857. Reports of explorations and surveys : to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4(5): 148.
- Английская Википедия
- Allium
- Endemic flora of California
- Flora of the Sierra Nevada (United States)
- Natural history of the California chaparral and woodlands
- Natural history of Calaveras County, California
- Natural history of Tuolumne County, California
- Onions
- Taxa named by John Torrey
- Threatened flora of California
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