⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-234696, with some changes.

Costus malortieanus var. amazonicus Loes. is a synonym of Costus amazonicus (Loes.) J.F.Macbr.

This name is a synonym of Costus amazonicus (Loes.) J.F.Macbr..

The record derives from WCSP which reports it as a synonym (record 234696) with original publication details: Notizbl. Bot. Gart. Berlin-Dahlem 10: 710 1929.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:66876-2.