Taxon Report

Eriogonum hoffmannii S. Stokes var. hoffmannii

Hoffmann's buckwheat

Print Report

Taxon Summary

Eriogonum hoffmannii var. hoffmannii, commonly known as Hoffmann's buckwheat, is a annual herb in the Polygonaceae that is found only in California. It occurs within Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 650 to 1700 meters. Eriogonum hoffmannii var. hoffmannii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Eriogonum hoffmannii S. Stokes var. hoffmannii
Common Name:	Hoffmann's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN082V1
USDA Plants Symbol:	ERHOH
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	650-1700 (2135-5580)
General Habitats:	Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G3T2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: True
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Ballarat (3611712), Emigrant Canyon (3611742), Emigrant Pass (3611732), Jail Canyon (3611722), Nova Canyon (3611733)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	33 %
Non-native plant impacts	1	16%
Road/trail construction/maint.	1	16%

Notes



Possibly threatened by road maintenance. See Leaflets of Western Botany 1(3):23 (1932) for original description, Madroño 22(7):379-380 (1974) for redescription, and Phytologia 66(4):365 (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 5 November 2025].