RhodolaenaRhodolaena is a genus of trees and shrubs in the family Sarcolaenaceae. The species are all endemic to Madagascar. The monophyly of the genus is unresolved.SpeciesSeven species are recognised:Rhodolaena acutifolia Rhodolaena altivola Rhodolaena bakeriana Rhodolaena coriacea Rhodolaena humblotii Rhodolaena leroyana ''Rhodolaena macrocarpa''