This name is a synonym of Medicago rhytidiocarpa (Boiss. & Balansa) E. Small.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13034475) with original publication details: Diagn. Pl. Orient., ser. 2 3(6): 44 1859.
This name was in version 1 of The Plant List, record tro-13034475.