This name is a synonym of Pycnostachys speciosa Gürke.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 171171) with original publication details: Gard. Chron. 41: 18 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:455270-1.
This name was in version 1 of The Plant List, record kew-171171, and has not been changed.