Species Details

Lathyrus jepsonii var. jepsonii

Delta tule pea

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Photo of Lathyrus jepsonii var. jepsonii

Classification

Scientific Name: Lathyrus jepsonii Greene var. jepsonii
Common Name: Delta tule pea
Family:	Fabaceae
Element Code:	PDFAB250D2
USDA Plants Symbol:
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G5T2
State Rank:	S2
Other Status:	SB_BerrySB; SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jul(Aug-Sep)

Elevation:
0 - 5 meters
0 - 15 feet

General Habitats:

Marshes and swamps (brackish, freshwater)

Microhabitat Details:

Microhabitat:

Notes

Notes: Most populations small. Threatened by agriculture, water diversions, and erosion. See Pittonia 2:158 (1890) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	12
	Total EOs	% of EOs
EOs with Threat Listed:	41	31 %
Waterway bank protection/maintenance	17	12%
Non-native plant impacts	12	9%
Other	7	5%
Road/trail construction/maint.	6	4%
Recreational use (non-ORV)	4	3%
Foot traffic/trampling	4	3%
Grazing	4	3%
Development	4	3%
Erosion/runoff	2	1%
Biocides	2	1%
Agriculture	1	0%
Pollution	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					133
A	B	C	D	X	U
5	20	21	11	2	74

Occurrence Status:
Historical >20 Years	93
Recent <=20 Years	40

Presence:
Presumed Extant	131
Possibly Extirpated	2
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Contra Costa (CCA), Napa (NAP), Sacramento (SAC), San Joaquin (SJQ), Solano (SOL), Sonoma (SON), Yolo (YOL)

Quads: Name (Quad Code)
Antioch North (3812117), Benicia (3812212), Bouldin Island (3812115), Bruceville (3812134), Courtland (3812135), Cuttings Wharf (3812223), Denverton (3812128), Dozier (3812137), Fairfield South (3812221), Holt (3712184), Honker Bay (3812118), Isleton (3812125), Jersey Island (3812116), Liberty Island (3812136), Mare Island (3812213), Napa (3812233), Rio Vista (3812126), Stockton West (3712183), Terminous (3812114), Thornton (3812124), Vine Hill (3812211), Woodward Island (3712185)

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