Taxon Details

Eriogonum diclinum

Jaynes Canyon buckwheat

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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:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:
CRPR Changes: changed from 4.3 to 2.3 on 2011-12-27
Add Date:	1974-01-01
Date Edited:	2021-06-03

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Sep

Elevation:
1700 - 2400 meters
5580 - 7875 feet

General Habitats:

Upper montane coniferous forest (often serpentinite)

Microhabitat Details:

Microhabitat:

Notes

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:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
0	0	0	0	0	14

Occurrence Status:
Historical >20 Years	13
Recent <=20 Years	1

Presence:
Presumed Extant	14
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

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)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Status Review:	CRPR List Change on 2011-12-27
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory