This name is a synonym of Paraphymatoceros hirticalyx (Stephani) Stotler.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35209169) with original publication details: J. Hattori Bot. Lab. 18: 2 1957.
This name was in version 1 of The Plant List, record tro-35209169.