This name is a synonym of Pycnostachys urticifolia Hook..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 460855) with original publication details: Bot. Jahrb. Syst. 22: 146 1895.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Pycnostachys urticifolia in version 1 of The Plant List.