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Macaranga
''Macaranga'' is a large genus of Old World tropical trees of the family Euphorbiaceae and the only genus in the subtribe Macaranginae. Native to Africa, Australasia, Asia and various islands of the Indian and Pacific Oceans, the genus comprises over 300 different species.〔(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. 〕 It was first described as a genus in 1806, based on specimens collected on the Island of Mauritius.〔〔(Tropicos, genus ''Macaranga'' )〕
''Macaranga'' is noted for being recolonizers. ''Macaranga'' species are used as food plants by the larvae of some Lepidoptera species including ''Endoclita malabaricus''. ''Macaranga'' species often form symbioses with ant (Formicidae) species (particularly ''Crematogaster'' ants of the subgenus ''Decacrema'') because they have hollow stems that can serve as nesting space and occasionally provide nectar. The trees benefit because the ants attack herbivorous insects and either drive them away or feed on them.
==Use==
Macaranga gum, a crimson resin, is obtained from ''Macaranga indica''.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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