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''Sapium'' is a genus of flowering plants in the family Euphorbiaceae.〔(Jacquin, Nicolaus Joseph von. 1790. Enumeratio Systematica Plantarum, quas in insulis Caribaeis 9, 31 ) in Latin〕〔(Tropicos, ''Sapium'' Jacq. )〕 It is widespread across most of Latin America and the West Indies.〔(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.〕 Many Old World species were formerly included in the genus, but recent authors have redistributed all the Old World species into other genera.〔Kruijt, R. C. (1996). (A taxonomic monograph of ''Sapium'' Jacq., ''Anomostachys'' (Baill.) Hurus., ''Duvigneaudia'' J. Léonard and ''Sclerocroton'' Hochst. (Euphorbiaceae tribe Hippomaneae). ) ''Biblioth. Bot.'' 146, 1-109.〕 Species are known commonly as milktrees.〔(''Sapium''. ) Integrated Taxonomic Information System (ITIS).〕 ==Description== These are shrubs and trees. They produce latex. The leaves are alternately arranged and smooth-edged or toothed. They are monoecious, often with spikelike or raceme-shaped inflorescences that have several male flowers, plus a few female flowers near the base. The male flowers have 2 to 4 stamens. The female flowers have 2 to 4 styles which are sometimes coiled. The flowers lack petals. The fruit has 2 to 4 lobes and may split open or not. ;Species〔 ;formerly included over 200 names moved to other genera: ''Alchornea, Anomostachys, Antidesma, Conosapium, Excoecaria, Gymnanthes, Hippomane, Microstachys, Sclerocroton, Sebastiania, Shirakiopsis, Spirostachys, Stillingia, Triadica,'' etc. 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「Sapium」の詳細全文を読む スポンサード リンク
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