This name is a synonym of Diarthron iranica (Pobed.) Kit Tan.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50316795) with original publication details: Fl. Orient. 4(2): 1051 1879.
This name was in version 1 of The Plant List, record tro-50316795.