⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2706710, and has not been changed.
This name is a synonym of Ceanothus × lorenzenii (Jeps.) McMinn.
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Syn. Fl. N. Amer. 1(1): 412 1897.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:50687-2.