Cadalvena Fenzl genus synonym

Parahellenia N.H.Xia, J.Chen, L.Y.Zeng & S.J.Zeng, 2022 genus accepted

Colobogynium genus accepted

Tsiana J.F.Gmel. genus synonym

Cheilocostus C.D.Specht genus synonym

Planera Giseke genus synonym

Gissanthe Salisb. genus synonym

Tubutubua Post & Kuntze genus synonym

Tapeinochilos Miq. genus accepted

Costus L. genus accepted

Dimerocostus Kuntze genus accepted

Banksea J.Koenig genus synonym

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

Paracostus C.D.Specht genus accepted

Monocostus K.Schum. genus accepted

Mulfordia Rusby genus synonym

Acinax Raf. genus synonym

Jacuanga T.Lestib. genus synonym

Glissanthe Steud. genus doubtful

Tapeinochilus Benth. & Hook.f., 1883 genus doubtful

Pyxa Noronha genus synonym

Hellenia Retz. genus accepted