| 词条 | Allium nevadense |
| 释义 |
|name=Nevada onion | taxon = Allium nevadense | image = Allium nevadense 6.jpg | authority = S.Wats. |synonyms=Allium nevadense var. macropetalum M. Peck }}Allium nevadense is a species of wild onion known by the common name Nevada onion. It is native to the western United States where it grows in sand and rocky soil at elevations of 1400–1700 m. The species is widespread in Utah, Nevada and southern Idaho, and has been reported also from southeastern California (Inyo and San Bernardino Counties), northwestern Arizona (Mohave and Cochise Counties), western and central Colorado (Moffat, Garfield, Mesa and Boulder Counties) and eastern Oregon (Harney and Malheur Counties).[1][2][3] The Nevada onion grows from a brown or gray bulb one to one and a half centimeters wide which may have one or two daughter bulblets associated with it. The stem may appear short if the bulb is more than a few inches below the surface of the ground. The stem is topped with an umbel of up to 25 flowers. The tepals may be white or pink-streaked with darker midveins; anthers purple; pollen yellow.[1][4][5][6][7] References1. ^1 Flora of North America v 26 p 248, Allium nevadense {{commonscat|Allium nevadense|position=left}}{{Taxonbar|from=Q4732920}}{{DEFAULTSORT:Allium Nevadense}}{{Asparagales-stub}}2. ^BONAP (Biota of North America Program) floristic synthesis, Allium nevadense 3. ^USDA Plants Profile 4. ^[https://www.biodiversitylibrary.org/page/6207818#page/437/mode/1up Watson, Sereno. 1871. United States Geological Expolration of the Fortieth Parallel. Vol. 5, Botany 351–352, pl. 38, f. 1–3.] 5. ^Jepson Manual Treatment 6. ^Photo gallery 7. ^Cronquist, A.J., A. H. Holmgren, N. H. Holmgren & Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York. 13 : Allium|Flora of Nevada|Flora of Arizona|Flora of the California desert regions|Flora of Colorado|Flora of Idaho|Flora of Oregon|Flora of Utah|Natural history of the Mojave Desert|Endemic flora of the United States|Onions|Plants described in 1871|Taxa named by Sereno Watson |
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