异木患属：来自南美洲北部的无患子科新属。
Allophylastrum: a new genus of Sapindaceae from northern South America.
作者信息
Acevedo-Rodríguez Pedro
机构信息
Department of Botany, MRC-166 Smithsonian Institution, P.O. Box 37012, Washington D.C. 20013-7012, USA.
出版信息
PhytoKeys. 2011(5):39-43. doi: 10.3897/phytokeys.5.1684. Epub 2011 Jul 28.
The new genus Allophylastrum (Sapindaceae) is described from Roraima, Brazil and Guyana. Allophylastrum resembles the genus Allophylus in its vegetative morphology but differs by its apetalous flowers with a cupular nectary disc, 5-6 unequal stamens, and 4- to 5- porate pollen grains. A key is provided to differentiate Allophylastrum from Allophylus. The new species Allophylastrum frutescens is described and illustrated.
新属异叶无患子属（无患子科）是根据巴西罗赖马州和圭亚那的植物描述的。异叶无患子属在营养形态上与无患子属相似，但不同之处在于其无花瓣的花带有杯状蜜腺盘、5 - 6枚不等长的雄蕊以及具4至5孔的花粉粒。提供了一个将异叶无患子属与无患子属区分开来的检索表。描述并图示了新物种灌木异叶无患子。
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