LeptolaenaLeptolaena is a genus of flowering plants in the family Sarcolaenaceae. There are 9 species, all native to Madagascar.SpeciesNine species are accepted.Leptolaena abrahamii Leptolaena arenaria Leptolaena cuspidata Leptolaena delphinensis Leptolaena gautieri Leptolaena masoalensis Leptolaena multiflora Leptolaena pauciflora ''Leptolaena raymondii''