Taxon Report

Dudleya candelabrum Rose

candleholder dudleya

Print Report

Taxon Summary

Dudleya candelabrum, commonly known as candleholder dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Chaparral, Closed-cone coniferous forest, and Coastal scrub, growing at elevations from 5 to 610 meters. Dudleya candelabrum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Dudleya candelabrum Rose
Common Name:	candleholder dudleya
Family:	Crassulaceae
Element Code:	PDCRA04080
USDA Plants Symbol:	DUCA2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	5-610 (15-2000)
General Habitats:	Chaparral, Closed-cone coniferous forest, Coastal scrub
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	98
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	4
Fair (C)	4
Poor (D)	0
None (X)	0
Unknown (U)	89

Location


California Endemic: True
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
San Miguel Island East (3312083), San Miguel Island West (3312084), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984), Santa Rosa Island East (3311988), Santa Rosa Island North (3312081), Santa Rosa Island South (3312071), Santa Rosa Island West (3312082)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	17	17 %
Erosion/runoff	11	11%
Non-native animal impacts	9	9%
Grazing	2	2%
Non-native plant impacts	1	1%

Notes



Threatened by feral herbivores. See Bulletin of the New York Botanical Garden 3(9):1-45 (1903) for original description.
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 5 November 2025].