This name is a synonym of Tradescantia crassifolia var. acaulis (M.Martens & Galeotti) C.B.Clarke.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50114797) with original publication details: Bol. Soc. Bot. México 17: 4, f. 1954.
This name was in version 1 of The Plant List, record tro-50114797, and has not been changed.