Taxon Details

Eriogonum apricum var. apricum

Ione buckwheat

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Taxon Summary:

Eriogonum apricum var. apricum, commonly known as Ione buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Chaparral (openings, and Ione soil), growing at elevations from 60 to 145 meters. Eriogonum apricum var. apricum is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Eriogonum apricum J.T. Howell var. apricum
Common Name: Ione buckwheat
Family:	Polygonaceae
Element Code:	PDPGN080F1
USDA Plants Symbol:	ERAPA
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (1999-05-26)
State List:	CE (1981-08-01)
Global Rank:	G2T1
State Rank:	S1
Other Status:	SB_UCBG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Oct

Elevation:
60 - 145 meters
195 - 475 feet

General Habitats:

Chaparral (openings, Ione soil)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from approximately ten occurrences near Ione. Threatened by vehicles and mining. See Leaflets of Western Botany 7(10):237-238 (1955) for original description, and Phytologia 66(4):320-321 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	6	100 %
ORV activity	3	50%
Other	2	33%
Road/trail construction/maint.	2	33%
Vandalism/dumping/litter	2	33%
Mining	2	33%
Recreational use (non-ORV)	1	16%
Development	1	16%
Improper burning regime	1	16%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					6
A	B	C	D	X	U
0	4	1	0	1	0

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	4

Presence:
Presumed Extant	5
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Amador (AMA)

Quads: Name (Quad Code)
Carbondale (3812141), Ione (3812038)

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