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''Rhapis'' is a genus of about 10 species of small palms native to southeastern Asia from southern Japan and southern China south to Sumatra.〔(Kew World Checklist of Selected Plant Families )〕 The species are commonly known as Lady Palms. They are fan palms (Corypheae tribe), with the leaves with a bare petiole terminating in a rounded fan of numerous leaflets. The plants have thin stems growing to 3–4 m tall, branching at the base, forming clumps and are dioecious, with male and female flowers produced on separate plants. ''Rhapis'' is closely related to the ''Maxburretia'' and ''Guihaia'' genera and with them form a taxon within Thrinacinae represented by carpel specialization.〔Govaerts, R. & Dransfield, J. (2005). World Checklist of Palms: 1-223. The Board of Trustees of the Royal Botanic Gardens, Kew. 〕〔(Flora of China, Vol. 23 Page 146, 棕竹属 zong zhu shu, Rhapis Linnaeus f. ex Aiton, Hortus Kew. 3: 473. 1789. )〕 #''Rhapis cochinchinensis'' (Lour.) Mart. - Thailand, Laos, Vietnam #''Rhapis excelsa'' (Thunb.) A.Henry - Fujian, Guangdong, Guizhou, Hainan, Yunnan, Vietnam; naturalized in Thailand, Japan, Ryukyu Islands #''Rhapis gracilis'' Burret - Guangdong, Guangxi, Hainan, Vietnam #''Rhapis humilis'' Blume - Guangxi, Guizhou, Vietnam; naturalized in Japan and Java #''Rhapis micrantha'' Becc. - Laos, Vietnam #''Rhapis multifida'' Burret - Guangxi, Yunnan #''Rhapis puhuongensis'' M.S.Trudgen, T.P.Anh & A.J.Hend. - Vietnam #''Rhapis robusta'' Burret - Guangxi, Vietnam #''Rhapis subtilis'' Becc. - Thailand, Laos, Cambodia, Sumatra #''Rhapis vidalii'' Aver., T.H.Nguyên & P.K.Lôc - Vietnam == Cultivation and uses == Several species are cultivated as ornamental plants, of which ''Rhapis excelsa'' is the most common. ''Rhapis excelsa'' and some other species are relatively cold tolerant and can be grown outdoors in subtropical or warm temperate climates. ''Rhapis excelsa'' was listed by NASA as one of the best plants for removing toxins from the air.〔(【引用サイトリンク】title=Plants for Sustainable Living )〕 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「Rhapis」の詳細全文を読む スポンサード リンク
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