⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2694008, and has not been changed.

Calycanthus macrophyllus K.Koch is a synonym of Calycanthus occidentalis Hook. & Arn.

This name is a synonym of Calycanthus occidentalis Hook. & Arn..

The record derives from WCSP which reports it as a synonym (record 382454) with original publication details: Dendrologie 1: 364 1869.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:139225-1.