Taxon Report

Eriogonum microtheca Nutt. var. panamintense S. Stokes

Panamint Mountains buckwheat

Print Report

Taxon Summary

Eriogonum microtheca var. panamintense, commonly known as Panamint Mountains buckwheat, is a perennial deciduous shrub in the Polygonaceae that is found only in California. It occurs within Pinyon and juniper woodland, and Subalpine coniferous forest, growing at elevations from 1890 to 3250 meters. Eriogonum microtheca var. panamintense is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Eriogonum microtheca Nutt. var. panamintense S. Stokes
Common Name:	Panamint Mountains buckwheat
Family:	Polygonaceae
Element Code:	PDPGN083W9
USDA Plants Symbol:	ERMIP
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial deciduous shrub
Blooming Period: Jun-Oct	Jun-Oct
Elevation:	1890-3250 (6200-10665)
General Habitats:	Pinyon and juniper woodland, Subalpine coniferous forest
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G5T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	11
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	3
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	7

Location


California Endemic: True
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Cerro Gordo Peak (3611757), Harris Hill (3611754), Maturango Peak (3611714), Mazourka Peak (3611881), New York Butte (3611768), Telescope Peak (3611721), Wildrose Peak (3611731)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	18 %
Foot traffic/trampling	1	9%
Road/trail construction/maint.	1	9%

Notes



Known from fewer than ten occurrences. See Phytologia 66(4):313 (1989) for taxonomic treatment.
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 4 July 2025].