Taxon Details

Trifolium gymnocarpon

hollyleaf clover

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Taxon Summary:

Trifolium gymnocarpon, commonly known as hollyleaf clover, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 1500 to 1920 meters. Trifolium gymnocarpon is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Trifolium gymnocarpon Nutt.
Common Name: hollyleaf clover
Family:	Fabaceae
Element Code:	PDFAB40110
USDA Plants Symbol:	TRGYP2
Synonyms/Other Names: Trifolium gymnocarpon var. plummerae Trifolium gymnocarpon Nutt. ssp. plummerae (S. Watson) J.M. Gillett
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2024-07-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jun

Elevation:
1500 - 1920 meters
4920 - 6300 feet

General Habitats:

Great Basin scrub
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Notes

Notes: Does plant occur in SIE Co.? See Botany of California 2:440 (1880) for original description, Bulletin of the Torrey Botanical Club 73(4):368 (1946) for revised nomenclature, and Canadian Journal of Botany 50(10):1994-1995 (1972) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	4	36 %
Other	3	27%
Grazing	2	18%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					11
A	B	C	D	X	U
0	3	0	0	0	8

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	1

Presence:
Presumed Extant	11
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Wyoming (WY)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)

Quads: Name (Quad Code)
Buckhorn Lake (4012081), Constantia (3912081), Doyle (4012011), Frenchman Lake (3912082), Lake Annie (4112081), Larkspur Hills (4112071), McDonald Peak (4012084), McKesick Peak (4012012), Mt. Bidwell (4112082), Ravendale (4012073), Termo (4012074), Whitinger Mtn. (4012086)

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