Taxon Summary

Lewisia kelloggii ssp. hutchisonii, commonly known as Hutchison's lewisia, is a perennial herb in the Montiaceae that is found only in California. It occurs within Upper montane coniferous forest, growing at elevations from 765 to 2365 meters. Lewisia kelloggii ssp. hutchisonii is ranked 3.2, Plants About Which We Need More Information, A Review List; Moderately threatened in California.

Classification


Scientific Name:	Lewisia kelloggii Brandegee ssp. hutchisonii Dempster
Common Name:	Hutchison's lewisia
Family:	Montiaceae
Element Code:	PDPOR04071
USDA Plants Symbol:	LEKEH
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Apr)May-Aug	(Apr)May-Aug
Elevation:	765-2365 (2510-7760)
General Habitats:	Upper montane coniferous forest
Microhabitat:	Openings
Microhabitat Details:	ridgetops, often slate, sometimes rhyolite tuff.

Conservation Status


CA Rare Plant Rank:	3.2
Global Rank:	G3G4T3Q
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	changed from 3.3 to 3.2 on 2013-10-03

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)
Alpine (ALP)?, Amador (AMA)?, Butte (BUT), Calaveras (CAL), El Dorado (ELD)?, Humboldt (HUM)?, Nevada (NEV), Placer (PLA)?, Plumas (PLU), Shasta (SHA)?, Sierra (SIE), Siskiyou (SIS)?, Trinity (TRI), Tuolumne (TUO)
Quads: Name (Quad Code)
Alleghany (3912047), Almanor (4012122), American House (3912161), Bear River Reservoir (3812052)?, Blue Canyon (3912036), Blue Nose Mtn. (3912077), Boards Crossing (3812032), Butte Meadows (4012115), Calaveras Dome (3812042), Canyondam (4012121), Caples Lake (3812061)?, Carrville (4112216), Cisco Grove (3912035), Damnation Peak (4012285), Dogwood Peak (3912171), Downieville (3912057), Duncan Peak (3912025), Fish Lake (4112336)?, Gold Lake (3912066), Granite Chief (3912023), Graniteville (3912046), Haskins Valley (3912172), Hull Creek (3812011), Jonesville (4012114), Kangaroo Mtn. (4112382)?, Kyburz (3812073), La Porte (3912068), Leek Spring Hill (3812063)?, Liberty Hill (3812031), Mokelumne Peak (3812051), Mt. Fillmore (3912067), Mumbo Basin (4112225), Onion Valley (3912078), Papoose Creek (4012276), Peddler Hill (3812053)?, Pondosa (4112126)?, Pyramid Peak (3812072)?, Royal Gorge (3912024)?, Seven Lakes Basin (4112224)?, Sierra City (3912056), Skunk Ridge (4112117), Soda Springs (3912034)?, Stump Spring, Calif. (3812064), Tragedy Spring (3812062)?, Trinity Center (4012286), Twain Harte (3812012), Whisky Bill Peak (4112215)?

Threat List Data from the CNDDB


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

Notes



Move to CRPR 1B or 4? Taxonomic distinctiveness from ssp. kelloggii is uncertain; needs further study. Threatened by logging, recreational activities, and vehicles. Referred to under L. kelloggii in TJM (1993). See Madroño 43(3):415 (1996) 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 10 May 2025].

Taxon Report

Lewisia kelloggii Brandegee ssp. hutchisonii Dempster

Hutchison's lewisia