⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2706838, with some changes.

Ceanothus papillosus var. regius Jeps. is a synonym of Ceanothus papillosus Torr. & A.Gray

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Man. Fl. Pl. Calif. 618 1925.