⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-78993, and has not been changed.
This name is a synonym of Euphorbia melanadenia Torr. & A.Gray.
The record derives from WCSP which reports it as a synonym (record 78993) with original publication details: Rep. U.S. Mex. Bound. 2(1): 186 1858.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:101408-2.