Taxon Report

Eriogonum diclinum Reveal

Jaynes Canyon buckwheat

Print Report

Taxon Summary

Eriogonum diclinum, commonly known as Jaynes Canyon buckwheat, is a perennial herb in the Polygonaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 1700 to 2400 meters. Eriogonum diclinum is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Eriogonum diclinum Reveal
Common Name:	Jaynes Canyon buckwheat
Family:	Polygonaceae
Element Code:	PDPGN081S0
USDA Plants Symbol:	ERDI10
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	1700-2400 (5580-7875)
General Habitats:	Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12 changed from 4.3 to 2.3 on 2011-12-27

Occurrence Data from the CNDDB


Total Occurrences:	14
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	14

Location


California Endemic: False
California Counties and Islands: Name (Code)
Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Boulder Peak (4112351), Caribou Lake (4112218), Condrey Mtn. (4112288), Deadman Peak (4112228), Eaton Peak (4112238), English Peak (4112342), Grider Valley (4112362), Thompson Peak (4112311), Ukonom Lake (4112353)

Threat List Data from the CNDDB


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

Notes



Previously on List 4.3. Known in CA only from the Klamath Mtns. On watch list in OR. See Aliso 7(2):218 (1970) for original description, and Phytologia 66(4):354 (1989) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

CRPR List Change on 2011-12-27

Eriogonum diclinum account for potential Species of Conservation Concern evaluation (2021)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 16 November 2025].