⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-192491, with some changes.

Siphonanthus trichotomus (Thunb.) Nakai is a synonym of Clerodendrum trichotomum Thunb.

This name is a synonym of Clerodendrum trichotomum Thunb..

The record derives from WCSP which reports it as a synonym (record 192491) with original publication details: Bot. Mag. (Tokyo) 36: 24 1922.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:864633-1.