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''Omphalea'' is a plant genus of the family Euphorbiaceae first described as a genus in 1759.〔(Linnaeus, Carl von. 1759. Systema Naturae, Editio Decima 2: 1254, 1264, 1378 ) in Latin〕〔(Tropicos )〕 It is native to tropical parts of the Americas, the West Indies, Asia, Australia, and Africa (including Madagascar).〔(Kew World Checklist of Selected Plant Families )〕〔Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.〕 ''Omphalea'' has monoecious, apetalous flowers and fleshy fruits with hard centers. ==Ecology== The plants are toxic and few animals can eat them. Diurnal moths of the subfamily Uraniinae feed on them. These moths are species of the genus ''Urania'' in the Americas, and of the genus ''Chrysiridia'' in Africa. The only species from mainland Africa is from Tanzania is ''O. mansfeldiana'', a liana from Tanzania . The Madagascan species are ''O. ankaranensis,'' a shrub from the limestone karst of northern Madagascar, ''O. palmata'' Leandri, a dry forest shrub closely related to ''O. ankaranensis'' but from western Madagascar, ''O. occidentalis'' Leandri, also a dry forest species of western Madagascar, and ''O. oppositifilia'' (Willdenow), a tree from the east coast rainforest of Madagascar.〔 The Madagascan sunset moth (''Chrysiridia rhipheus'') feeds on all four of these species. ;Species〔 ;formerly included moved to other genera ''(Mabea Phyllanthus Sapium Sebastiania Senefeldera )'' 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「Omphalea」の詳細全文を読む スポンサード リンク
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