A new species belonging to the genus Argomuellera Pax from Madagascar is described. This species resembles A. danguyana (Leandri) J.Léonard but differs in being a treelet with nearly entire leaves and a slenderer inflorescence that bears smaller staminate and pistillate flowers.
Keywords:
Euphorbiaceae, Acalyphoideae, Argomuellera, Madagascar, new species