⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2687990, and has not been changed.
This name is a synonym of Buxus microphylla var. riparia .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: J. Jap. Bot. 7: 14 1931.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:128697-1
.