Taxon Details

Eriogonum umbellatum var. juniporinum

juniper sulphur-flowered buckwheat

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Taxon Summary:

Eriogonum umbellatum var. juniporinum, commonly known as juniper sulphur-flowered buckwheat, is a perennial herb in the Polygonaceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 1300 to 2500 meters. Eriogonum umbellatum var. juniporinum is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Eriogonum umbellatum Torr. var. juniporinum Rev.
Common Name: juniper sulphur-flowered buckwheat
Family:	Polygonaceae
Element Code:	PDPGN086U6
USDA Plants Symbol:	ERUMJ
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:	G5T4
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Oct

Elevation:
1300 - 2500 meters
4265 - 8205 feet

General Habitats:

Mojavean desert scrub
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Notes

Notes: Similar to var. subaridum. See Great Basin Naturalist 45:279 (1985) for original description, and Phytologia 66(4):341-347 (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:					21
A	B	C	D	X	U
0	0	0	0	0	21

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	7

Presence:
Presumed Extant	21
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Bighorn Basin (3411576), Clark Mtn. (3511555), Fountain Peak (3411585), Horse Thief Springs (3511578), Ivanpah (3511533), Kingston Peak (3511568), Mid Hills (3511524), Pachalka Spring (3511556)

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 Rare Plant Inventory