Rarukamba (Sumba) [Sunda Islands] – synonym of Bauhinia malabarica
Rasak [Malay Peninsula] – synonym of Sindora leiocarpa
Reichardia ? decapetala Roth – synonym of Caesalpinia decapetala
Reichardia pentapetala Blanco – synonym of Pterolobium membranulaceum
Rhynchocarpa monophylla Backer ex K. Heyne – synonym of Dialium procerum
Rufe (Sumba) [Sunda Islands] – synonym of Bauhinia malabarica