⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-164094, and has not been changed.
This name is a synonym of Xantolis boniana var. rostrata (Merr.) P.Royen.
The record derives from WCSP which reports it as a synonym (record 164094) with original publication details: Candollea 9: 310 1942.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:788929-1.