Taxon Details

Perideridia leptocarpa

narrow-seeded yampah

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Taxon Summary:

Perideridia leptocarpa, commonly known as narrow-seeded yampah, is a perennial herb in the Apiaceae that is found in California and elsewhere. It occurs within Broadleafed upland forest, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 425 to 1585 meters. Perideridia leptocarpa is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Perideridia leptocarpa Chuang & Const.
Common Name: narrow-seeded yampah
Family:	Apiaceae
Element Code:	PDAPI1N0A0
USDA Plants Symbol:	PELE6
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3Q
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Aug

Elevation:
425 - 1585 meters
1395 - 5200 feet

General Habitats:

Broadleafed upland forest
Cismontane woodland
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Serpentine (usually)

Notes

Notes: Taxonomic questions; possibly belongs in P. oregana. See University of California Publications in Botany 55:51-54 (1969) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Siskiyou (SIS)

Quads: Name (Quad Code)
Cecilville (4112322), Sawyers Bar (4112332)

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