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''Allium cernuum'', known as nodding onion or lady's leek, is a perennial plant in the genus ''Allium''. It grows in dry woods, rock outcroppings, and prairies. It has been reported from much of the United States, Canada and Mexico including in the Appalachian Mountains from Alabama to New York State, the Great Lakes Region, the Ohio and Tennessee River Valleys, the Ozarks of Arkansas and Missouri, and the Rocky and Cascade Mountains of the West, from Mexico to Washington. It has not been reported from California, Nevada, Florida, Louisiana, Mississippi, New Jersey, Delaware, New England, or much of the Great Plains. In Canada, it grows from Ontario to British Columbia.〔(Flora of North America v 26 p 247, ''Allium cernuum'' )〕〔(BONAP (Biota of North America Program) floristic synthesis, ''Allium cernuum'' )〕〔(USDA PLANTS Profile )〕〔(IPNI Listing )〕〔Brako, L., A.Y. Rossman & D.F. Farr. 1995. Scientific and Common Names of 7,000 Vascular Plants in the United States 1–294.〕〔CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.〕 ''Allium cernuum'' has an unsheathed slender conical bulb which gradually tapers directly into several keeled grass-like leaves (2–4 mm wide). Each mature bulb bears a single flowering stem, which terminates in a downward nodding umbel of white or rose flowers. Flowers appear in July or August. They are bell-shaped, about 5 mm across, pink or white with yellow pollen and yellow anthers. The flowers mature into spherical crested fruits which later split open to reveal the dark shiny seeds. This plant does not have bulblets in the inflorescence.〔〔(Illinois Wildflowers )〕〔Roth, Albrecht Wilhelm. 1798. Archiv für die Botanik 1(3): 40.〕〔Gleason, H. A. & A.J. Cronquist. 1991. Manual of the Vascular Plants of Northeastern United States and Adjacent Canada (ed. 2) i–910. New York Botanical Garden, Bronx.〕〔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.〕〔Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock, Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.〕〔Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill〕〔Moss, E. H. 1983. Flora of Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.〕 ==Uses== ''Allium cernuum'' is edible and has a strong onion flavor, and has often been used in cooking. This species is also cultivated in many places. for its attractive flowers.〔Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.〕 Image:Allium cernuum seed head.jpg|Seed head of ''A. cernuum'' Image:Allium cernuum BB.jpg|''A. cernuum'' from Britton and Brown 1913 File:Allium_cernuum_2848.JPG|Inflorescence 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Allium cernuum」の詳細全文を読む スポンサード リンク
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