Taxon Report

Eriogonum hoffmannii S. Stokes var. robustius S. Stokes

robust Hoffmann's buckwheat

Print Report

Taxon Summary

Eriogonum hoffmannii var. robustius, commonly known as robust Hoffmann's buckwheat, is a annual herb in the Polygonaceae that is found only in California. It occurs within Mojavean desert scrub, growing at elevations from 150 to 1680 meters. Eriogonum hoffmannii var. robustius 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. robustius S. Stokes
Common Name:	robust Hoffmann's buckwheat
Family:	Polygonaceae
Element Code:	PDPGN082V2
USDA Plants Symbol:	ERHOR
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Aug-Nov	Aug-Nov
Elevation:	150-1680 (490-5510)
General Habitats:	Mojavean desert scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G3T3
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:	13
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	11

Location


California Endemic: True
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Dantes View (3611626), Devils Golf Course (3611637), East of Ryan (3611635), Echo Canyon (3611646), Furnace Creek (3611647), Ryan (3611636)

Threat List Data from the CNDDB


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

Notes



See Leaflets of Western Botany 3(1):16 (1941) 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 23 December 2025].