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Allium douglasii : ウィキペディア英語版 | Allium douglasii
''Allium douglasii'', the Douglas onion, is a plant species native to northeastern Oregon, eastern Washington, and northern Idaho. It grows in shallow soils at elevations of 400–1300 m.〔(Flora of North America v 26 p 267, ''Allium douglasii'' )〕〔(BONAP (Biota of North America Program) floristic synthesis, ''Allium douglasii'' )〕 ''Allium douglasii'' produces egg-shaped bulbs up to 3 cm long. Scapes are round in cross-section, up to 40 cm tall. Flowers are up to 10 mm across; tepals pink or purple with green midribs; anthers blue; pollen white or light gray.〔〔(Hooker, William Jackson. 1839. Flora Boreali-Americana 2: 184, pl. 197 )〕〔(Robinson, Benjamin Lincoln, & Seaton, Henry Eliason. 1893. Botanical Gazette 18(6): 237–238. )〕〔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.〕 ==References==
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 douglasii」の詳細全文を読む
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