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''Rohdea'' is a genus of native to eastern Asia (China, Japan, the Himalayas and Indochina).〔(Kew World Checklist of Selected Plant Families )〕 It was long thought to contain only a single species, ''R. japonica'',〔(Flora of China, Vol. 24 Page 239, 万年青属 wan nian qing shu, ''Rohdea'' Roth, Nov. Pl. Sp. 196. 1821. )〕 but recent studies have resulted in several other taxa being transferred into the genus.〔Tanaka, N. (2010). A taxonomic revision of the genus Rohdea (Asparagaceae). Makinoa , n.s., 9: 1-54.〕〔Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.〕 Common names include Nippon Lily, Sacred Lily, and Japanese Sacred Lily. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). It has also been placed in the former family Convallariaceae. It is a rhizomatous herbaceous perennial plant, with fibrous roots. The leaves are evergreen, broad lanceolate, 15–50 cm long and 2.5–7 cm broad, with an acute apex. The flowers are produced in a short, stout, dense spike 3–4 cm long, each flower pale yellowish, 4–5 mm long. The fruit is a red berry 8 mm diameter, produced in a tight cluster of several together. Although sometimes misspelled as ''Rhodea'', the genus was actually named after Michael Rohde (1782-1812), a botanist from Bremen. ==Cultivation and uses== It is cultivated as an ornamental plant. In Chinese it is called ''wan nian qing'' (simplified: 万年青; traditional: 萬年青; lit. "evergreen"), and for this reason has been used symbolically in visual culture (e.g. on (Mao badges )). In Japanese it is called ''omoto''. The plant is also used in traditional Chinese medicine, though it is generally regarded as inedible and possibly toxic. 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「Rohdea」の詳細全文を読む スポンサード リンク
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