⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2706795, with some changes.
This name is a synonym of Ceanothus megacarpus Nutt..
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Proc. Calif. Acad. Sci. II, 4: 205 1894.