Taxon Report

Ceanothus gloriosus J.T. Howell var. gloriosus

Point Reyes ceanothus

Print Report

Taxon Summary

Ceanothus gloriosus var. gloriosus, commonly known as Point Reyes ceanothus, is a perennial evergreen shrub in the Rhamnaceae that is found only in California. It occurs within Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, and Coastal scrub, growing at elevations from 5 to 520 meters. Ceanothus gloriosus var. gloriosus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Ceanothus gloriosus J.T. Howell var. gloriosus
Common Name:	Point Reyes ceanothus
Family:	Rhamnaceae
Element Code:	PDRHA040F5
USDA Plants Symbol:	CEGLG3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Mar-May	Mar-May
Elevation:	5-520 (15-1705)
General Habitats:	Closed-cone coniferous forest, Coastal bluff scrub, Coastal dunes, Coastal scrub
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4T4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Marin (MRN), Mendocino (MEN), Monterey (MNT), Sonoma (SON)
Quads: Name (Quad Code)
Albion (3912327), Bodega Head (3812331), Bolinas (3712286), Cahto Peak (3912365), Drakes Bay (3812218), Elk (3912326), Fort Bragg (3912347), Gualala (3812375), Inverness (3812217), Mathison Peak (3912336), Mendocino (3912337), Noyo Hill (3912346), Plantation (3812353), Saunders Reef (3812376), Seaside (3612157), Stewarts Point (3812364), Tomales (3812228)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Can intergrade with Ceanothus gloriosus var. porrectus.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 April 2025].