Taxon Report

Hooveria purpurea (Brandegee) D. W. Taylor & D. J. Keil var. reducta (Hoover) D. W. Taylor & D. J. Keil

Camatta Canyon amole

Print Report

Taxon Summary

Hooveria purpurea var. reducta, commonly known as Camatta Canyon amole, is a perennial bulbiferous herb in the Agavaceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 305 to 630 meters. Hooveria purpurea var. reducta is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Hooveria purpurea (Brandegee) D. W. Taylor & D. J. Keil var. reducta (Hoover) D. W. Taylor & D. J. Keil
Common Name:	Camatta Canyon amole
Family:	Agavaceae
Element Code:	PMLIL0G052
USDA Plants Symbol:	CHPUR
Synonyms/Other Names:	Chlorogalum purpureum Bdg. var. reductum Hoov.

Ecology and Life History


Lifeform:	perennial bulbiferous herb
Blooming Period: Apr-May	Apr-May
Elevation:	305-630 (1000-2065)
General Habitats:	Cismontane woodland, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2T1
State Rank:	S1
State List:	CR
Fed List:	FT
Other Status:	SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	4
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	2

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Luis Obispo (SLO)
Quads: Name (Quad Code)
Camatta Ranch (3512043)

Threat List Data from the CNDDB


Threat List Total:	7
EOs with Threat Listed:	Total EOs	% of EOs
	4	100 %
Road/trail construction/maint.	3	75%
Other	2	50%
Non-native plant impacts	2	50%
ORV activity	1	25%
Agriculture	1	25%
Foot traffic/trampling	1	25%
Grazing	1	25%

Notes




Threats:
Threatened by grazing, habitat fragmentation, habitat conversion, non-native plants, road maintenance, and vehicles. A portion of one occurrence has been fenced by CNPS and USFS, but vehicle trespass still occurs.
Taxonomy:

Selected References

Non-Substantive Name Changes: Multiple taxa in various plant families from the Jepson eFlora revisions 8, 9, and 10

Leaflets of Western Botany 10:123 (1964)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 July 2025].