Chamaecostus C.D.Specht & D.W.Stev. genus accepted

Costus L. genus accepted

Dimerocostus Kuntze genus accepted

Monocostus K.Schum. genus accepted

Paracostus C.D.Specht genus accepted

Tapeinochilos Miq. genus accepted

Hellenia Retz. genus accepted

Parahellenia N.H.Xia, Juan Chen, L.Y.Zeng & S.Jin Zeng genus accepted