⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-330552, with some changes.

Calchas autranii (Briq.) P.V.Heath is a synonym of Plectranthus shirensis (Gürke) ined.

This name is a synonym of Plectranthus shirensis (Gürke) ined..

The record derives from WCSP which reports it as a synonym (record 330552) with original publication details: Calyx 5: 160 1996.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:997634-1.