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Sapium glandulosum
''Sapium glandulosum'' is a species of tree in the family Euphorbiaceae. It is native to the Neotropics from Mexico and the Caribbean south to Argentina, and it has been cultivated elsewhere.〔(Kew World Checklist of Selected Plant Families )〕〔(''Sapium''. ) Malesian Euphorbiaceae Descriptions. National Herbarium Nederland.〕 It is the most common ''Sapium'' species.〔 Its common names include gumtree,〔(''Sapium glandulosum''. ) USDA PLANTS.〕 milktree,〔(''Sapium glandulosum''. ) Germplasm Resources Information Network (GRIN).〕 ''leche de olivo'', and ''olivo macho''.〔(''Sapium glandulosum''. ) Smithsonian Tropical Research Institute.〕
This is a species of tree up to 30 meters tall, usually with some buttress roots and multiple trunks. Smaller woody parts can have short, thick spines. It has a thin, patchy, peeling, scarred outer bark and a granular inner bark. It produces large amounts of milky latex. The alternately arranged leaves have toothed oblong or oval leaves up to 27 centimeters long by 8 wide. New leaves have gland-tipped teeth. The species is monoecious. The inflorescence is a spikelike arrangement of clusters of male flowers with a few female flowers at the base. The tiny rounded purple male flower is barely over a millimeter long. The female flower has 3 styles about 2 millimeters long. The fruit is a greenish-brown, rounded capsule up to a centimeter long which splits into 3 segments, each holding a seed. The seed is covered in a thin layer of red pulp.〔〔
This tree grows in tropical moist and wet forests.〔
The copious latex is of high quality and can be used to make rubber. It is difficult to harvest, so it is not commercially useful.〔
==References==
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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