This name is a synonym of Cyathea approximata Bonap..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26600520) with original publication details: Fl. Madagasc. 4: 10 1951.
This name was in version 1 of The Plant List, record tro-26600520, and has not been changed.