⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-29819, and has not been changed.

Calamus penangensis Ridl. is a synonym of Calamus penicillatus Roxb.

This name is a synonym of Calamus penicillatus Roxb..

The record derives from WCSP which reports it as a synonym (record 29819) with original publication details: Mat. Fl. Malay. Penins. 2: 192 1907.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:665322-1.