⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-222762, and has not been changed.
This name is a synonym of Costus spectabilis (Fenzl) K.Schum..
The record derives from WCSP which reports it as a synonym (record 222762) with original publication details: Fl. Trop. Afr. 7: 297 1898.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:795755-1.