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''Azadirachta'' is a genus of two species of trees in the mahogany (Meliaceae) family. Numerous species have been proposed for the genus but only two are currently recognized, ''Azadirachta excelsa'' and the economically important tree ''Azadirachta indica''. The latter is informally called the Neem tree; see also Neem oil. Both species are native to the Indomalaysian region, and ''A. indica'' is also widely cultivated and naturalized outside its native range. In traditional medicine in India, the resin from the trees have been attributed with medical benefits. A component in the resin is an effective insecticide; see azadirachtin. Another component is an effective anti-fungal; see ''Azadirachta indica''. These species should not be confused with ''Melia azedarach'', which is a tree in a different genus of the mahogany family. ==References== * Mabberley, D. J. et al. 1995. ''Azadirachta'', pp. 337–343. In: ''Flora Malesiana'' ser. 1 Spermatophyta 12(1): 1-407. * Pennington, T. D. and B. T. Styles. 1975. A generic monograph of the Meliaceae. ''Blumea'' 22: 419-540 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「Azadirachta」の詳細全文を読む スポンサード リンク
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