Open AccessAllophylastrum: a new genus of Sapindaceae from northern South America
Author(s) -
Pedro AcevedoRodríguez
Publication year - 2011
Publication title -
phytokeys
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.511
H-Index - 16
eISSN - 1314-2011
pISSN - 1314-2003
DOI - 10.3897/phytokeys.5.1684
Subject(s) - sapindaceae , pollen , botany , genus , biology , stamen , key (lock) , nectar , ecology
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.
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