Taxon Details

Hosackia oblongifolia var. cuprea

copper-flowered bird's-foot trefoil

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Photo of Hosackia oblongifolia var. cuprea

Taxon Summary:

Hosackia oblongifolia var. cuprea, commonly known as copper-flowered bird's-foot trefoil, is a perennial rhizomatous herb in the Fabaceae that is found only in California. It occurs within Meadows and seeps (edges), and Upper montane coniferous forest, growing at elevations from 2400 to 2750 meters. Hosackia oblongifolia var. cuprea is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Hosackia oblongifolia Benth. var. cuprea (Greene) Brouillet
Common Name: copper-flowered bird's-foot trefoil
Family:	Fabaceae
Element Code:	PDFAB2A0W1
USDA Plants Symbol:
Synonyms/Other Names: Lotus cupreus Greene Lotus oblongifolius var. cupreus
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G5T2
State Rank:	S2
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jun-Aug

Elevation:
2400 - 2750 meters
7875 - 9025 feet

General Habitats:

Meadows and seeps (edges)
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Mesic

Notes

Notes: See Leaflets of Botanical Observation and Criticism 1:74 (1904) for original description, and University of California Publications in Botany 10:206 (1923) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					16
A	B	C	D	X	U
0	0	0	0	0	16

Occurrence Status:
Historical >20 Years	11
Recent <=20 Years	5

Presence:
Presumed Extant	16
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Calaveras (CAL), Inyo (INY), Tulare (TUL)

Quads: Name (Quad Code)
Bartlett (3611841), Camp Nelson (3611825), Columbia (3812014), General Grant Grove (3611868), Johnsondale (3511885), Lamont Peak (3511871), Lodgepole (3611856), Moses Mtn. (3611836), Mt. Silliman (3611866), Muir Grove (3611867), Murphys (3812024), Olancha (3611831), Owens Lake (3611748), Sentinel Peak (3611815), Silver City (3611846), Vermillion Canyon (3611738)

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