This name is a synonym of Humularia drepanocephala var. homblei (De Wild.) P.A. Duvign..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13060666) with original publication details: Repert. Spec. Nov. Regni Veg. 9: 552 1913.
This name was in version 1 of The Plant List, record tro-13060666, and has not been changed.