Taxon Details

Eriogonum temblorense

Temblor buckwheat

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Taxon Summary:

Eriogonum temblorense, commonly known as Temblor buckwheat, is a annual herb in the Polygonaceae that is found only in California. It occurs within Valley and foothill grassland (clay, and sandstone), growing at elevations from 300 to 1000 meters. Eriogonum temblorense is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Eriogonum temblorense J.T. Howell & Twisselmann
Common Name: Temblor buckwheat
Family:	Polygonaceae
Element Code:	PDPGN085P0
USDA Plants Symbol:	ERTE15
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: (Apr)May-Sep

Elevation:
300 - 1000 meters
985 - 3280 feet

General Habitats:

Valley and foothill grassland (clay, sandstone)

Microhabitat Details:

Microhabitat:

Notes

Notes: Marginally distinct from E. eastwoodianum; needs study. Threatened by energy development. See Leaflets of Western Botany 10:45 (1963) for original description, and Phytologia 66(4):375 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	4	25 %
Foot traffic/trampling	2	12%
Grazing	2	12%
Non-native plant impacts	1	6%
Erosion/runoff	1	6%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					16
A	B	C	D	X	U
1	3	0	0	0	12

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	6

Presence:
Presumed Extant	16
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Kern (KRN), Kings (KNG), Monterey (MNT), San Luis Obispo (SLO)

Quads: Name (Quad Code)
Caliente Mtn. (3511917), Carneros Rocks (3511947), Elkhorn Hills (3511915), Garza Peak (3512082), McKittrick Summit (3511937), Orchard Peak (3512062), Packwood Creek (3512051), Painted Rock (3511927), Panorama Hills (3511926), Shale Point (3511958), Shandon (3512064), Tent Hills (3512072), Valleton (3512086), West Elk Hills (3511935)

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