⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Costus scaber in version 1.1 of The Plant List.

Costus scaber Loes. is a synonym of Costus guanaiensis var. macrostrobilus (K.Schum.) Maas

This name is a synonym of Costus guanaiensis var. macrostrobilus (K.Schum.) Maas.

The record derives from Tropicos which reports it as a synonym (record 34500661) with original publication details: Notizbl. Bot. Gart. Berlin-Dahlem 11: 89 89 1931.