⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35148751, with some changes.
This name is a synonym of Rhynchostegium contractum .
The record derives from Tropicos which reports it as a synonym (record 35148751
) with original publication details: Bot. Mag. (Tokyo) 48: 393 393 1934.