This name is a synonym of Stellaria longifolia Muhl. ex Willd..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50097906) with original publication details: J. Jap. Bot. 29(6): 167 1954.
This name was in version 1 of The Plant List, record tro-50097906.