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

Hellenia Retz. genus accepted

Cadalvena Fenzl genus synonym

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