⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Helwingia japonica in version 1.1 of The Plant List.
This name is a synonym of Helwingia japonica subsp. formosana .
The record derives from Tropicos which reports it as a synonym (record 8700549
) with original publication details: Acta Phytotax. Geobot. 25(2-3): 39 39 1972.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:874499-1
.