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The genus ''Helwingia'' consists of shrubs native to eastern Asia, the Himalayas, and northern Indochina. It is the only genus in the family Helwingiaceae.〔(Kew World Checklist of Selected Plant Families )〕〔(Flora of China Vol. 14 Page 227 青荚叶属 qing jia ye shu ''Helwingia'' Willdenow, Sp. Pl. 4: 634, 716. 1806, nom. cons., not ''Helvingia'' Adanson (1763). )〕 The plants have alternate leaves and small inflorescences which are epiphyllous (growing from the leaves). They are from temperate regions of eastern Asia: for example China, Nepal, and Japan. The APG II classification (2003) places them in the order Aquifoliales, along with the hollies and Phyllonomaceae. The family Helwingiaceae does not exist in the Cronquist classification (1981), which places this genus in the Cornaceae (dogwood family). ;Species〔 # ''Helwingia chinensis'' Batalin - Thailand, Myanmar, Gansu, Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Tibet, Yunnan # ''Helwingia himalaica'' Hook.f. & Thomson ex C.B.Clarke - Thailand, Myanmar, Assam, Bhutan, Nepal, Sikkim, Tibet, Chongqing, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Sichuan, Yunnan # ''Helwingia japonica'' (Thunb.) F.Dietr. - Japan, Ryukyu Islands, Korea, Taiwan, Myanmar, Assam, Bhutan, Vietnam, Sikkim, Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan, Zhejiang # ''Helwingia omeiensis'' (W.P.Fang) H.Hara & S.Kuros. - Gansu, Guangxi, Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Yunnan ==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「Helwingia」の詳細全文を読む スポンサード リンク
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