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''Cyrtosperma'' is a genus of flowering plants in the Araceae family. The genus went through considerable taxonomic changes in the 1980s, and as a result is now considered to be native only to Southeast Asia and some Pacific islands.〔(Kew World Checklist of Selected Plant Families )〕〔Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew. 〕 Previously, the genus was believed to be widespread from Asia to Africa and South America, but the African and South American species were subsequently moved into separate genera. ''Cyrtosperma'' is now known to be most prominent in New Guinea. The genus ''Cyrtosperma'' is unique in this regards because it is the only known big genus in Araceae that is known to be found east of Wallace's line.〔Brown, Deni (2000). Aroids: Plants of the Arum Family. Timber Press. ISBN 0-88192-485-7.〕〔Hay, A. (1988). ''Cyrtosperma'' (Araceae) and its Old World allies. Blumea 33: 427-469. 〕 ''Cyrtosperma merkusii'', or pulaka, is grown as a root crop in Oceania. ;Species #''Cyrtosperma beccarianum'' A.Hay - New Guinea #''Cyrtosperma bougainvillense'' A.Hay - Solomon Islands #''Cyrtosperma brassii'' A.Hay - Louisiade Archipelago #''Cyrtosperma carrii'' A.Hay - Papua New Guinea #''Cyrtosperma cuspidispathum'' Alderw. - New Guinea #''Cyrtosperma giganteum'' Engl. - New Guinea #''Cyrtosperma gressittiorum'' A.Hay - Louisiade Archipelago #''Cyrtosperma hambalii'' A.Dearden & A.Hay - Western New Guinea #''Cyrtosperma johnstonii'' (N.E.Br.) N.E.Br. - Solomon Islands #''Cyrtosperma kokodense'' A.Hay - Papua New Guinea #''Cyrtosperma macrotum'' Becc. ex Engl. - New Guinea #''Cyrtosperma merkusii'' (Hassk.) Schott - New Guinea, Solomon Islands, Borneo, Java, Sumatra, Philippines, Fiji, Samoa, Kiribati, Santa Cruz Islands, Cook Islands, Marquesas, Caroline Islands, Mariana Islands; naturalized on various other islands == 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「Cyrtosperma」の詳細全文を読む スポンサード リンク
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