This name is a synonym of Allionia incarnata var. villosa (Standl.) Munz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50140883) with original publication details: Contr. U.S. Natl. Herb. 12(8): 333–334 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:311032-2.
This name was in version 1 of The Plant List, record tro-50140883, and has not been changed.