This name is a synonym of Phedimus aizoon var. yamatutae (Kitag.) H. Ohba, K.T. Fu & B.M. Barthol..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50183553) with original publication details: Nouv. Arch. Mus. Hist. Nat., sér. 2, 6: 9 1883.
This name was in version 1 of The Plant List, record tro-50183553.