⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50093006, with some changes.
This name is a synonym of Cogswellia gormanii f. purpurea .
The record derives from Tropicos which reports it as a synonym (record 50093006
) with original publication details: Proc. Biol. Soc. Wash. 41(45): 196 196 1928.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:143092-2
.