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''Allium thunbergii'' is an East Asian species of wild onion native to Japan (incl Bonin + Ryukyu Islands), Korea, and China (incl. Taiwan).〔(Kew World Checklist of Seleted Plant Families )〕 It grows at elevations up to 3000 m. The Flora of China recognizes ''A. tunbergii'' and ''A. stenodon'' as separate species, but more recent sources combine the two.〔〔(Flora of China v 24 p 197, ''Allium thunbergii'' )〕〔(Flora of China v 24 p 179, ''Allium'' stenodon )〕〔Ohwi, J. (1984). Flora of Japan (in English): 1-1067. Smithsonian Institution, Washington, D.C..〕〔Kobayashi, S. & Ono, M. (1987). A Revised List of Vascular Plants Indigenous and Introduced to the Bonin (Ogasawara) and the Volcano (Kazan) Islands. Ogasawara Research 13: 1-55.〕〔Choi, H.J. & Oh, B.U. (2011). A partial revision of ''Allium'' (Amaryllidaceae) in Korea and north-eastern China. Botanical Journal of the Linnean Society 167: 153-211. 〕 ''Allium thunbergii'' produces one or two egg-shaped bulbs up to 20 mm in diameter. Scapes are up to 50 cm tall. Leaves are longer than the scape, hollow, triangular in cross-section. Umbels are crowded with many red or purple flowers.〔〔〔Don, George. 1827. Memoirs of the Wernerian Natural History Society 6: 84.〕〔Nakai, Takenoshin & Kitagawa, Masao. 1934. Report of the First Scientific Expedition to Manchoukou 4(1): 18, pl. 6., as ''Allium stenodon''〕〔Liu, Tang Shui & Ying, Shao Shun. 1978. Flora of Taiwan 5: 45〕〔P.P.Gritsenko. 1979. Byull. Vses. Ord. Lenina Inst. Rast. N.I. Vavilova 96: 23〕〔(line drawing of ''Allium thunbergii'', Flora of China Illustrations vol. 24, fig. 221, 1-4 )〕 ;Varieties〔 * ''Allium thunbergii'' var. ''deltoides'' (S.O.Yu, S.Lee & W.T.Lee) H.J.Choi & B.U.Oh - Gayasan National Park in Korea * ''Allium thunbergii'' var. ''teretifolium'' H.J.Choi & B.U.Oh - Korea * ''Allium thunbergii'' var. ''thunbergii'' - China, Japan, Korea ==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 thunbergii」の詳細全文を読む スポンサード リンク
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