This name is a synonym of Stellaria cuspidata Willd. ex Schltdl..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 6301265) with original publication details: Enum. Pl. Jap. 2: 295 1879.
This name was in version 1 of The Plant List, record tro-6301265.