Species Details

Eriogonum nudum var. decurrens

Ben Lomond buckwheat

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Species Description:

Eriogonum nudum var. decurrens, commonly known as Ben Lomond buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest (maritime ponderosa pine sandhills), growing at elevations from 50 to 800 meters. Eriogonum nudum var. decurrens is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Eriogonum nudum Benth. var. decurrens (S. Stokes) Bowerman
Common Name: Ben Lomond buckwheat
Family:	Polygonaceae
Element Code:	PDPGN08492
USDA Plants Symbol:	ERNUD
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G5T1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Oct

Elevation:
50 - 800 meters
165 - 2625 feet

General Habitats:

Chaparral
Cismontane woodland
Lower montane coniferous forest (maritime ponderosa pine sandhills)

Microhabitat Details:

Microhabitat:

Sandy

Notes

Notes: Threatened by development and sand mining. See Phytologia 66(4):329-333 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	4	44 %
Development	1	11%
Foot traffic/trampling	1	11%
Logging	1	11%
Mining	1	11%
Recreational use (non-ORV)	1	11%
Road/trail construction/maint.	1	11%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					9
A	B	C	D	X	U
0	2	0	0	0	7

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	3

Presence:
Presumed Extant	9
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Santa Cruz (SCR)

Quads: Name (Quad Code)
Davenport (3712212), Felton (3712211), Laurel (3712118)

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