Taxon Details

Draba lonchocarpa

spear-fruited draba

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Taxon Summary:

Draba lonchocarpa, commonly known as spear-fruited draba, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field (carbonate, and scree), growing at elevations from 3000 to 3295 meters. Draba lonchocarpa is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Draba lonchocarpa Rydb.
Common Name: spear-fruited draba
Family:	Brassicaceae
Element Code:	PDBRA111F0
USDA Plants Symbol:	DRLO
Synonyms/Other Names: Draba lonchocarpa var. lonchocarpa
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:	S2S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-06-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Jul

Elevation:
3000 - 3295 meters
9845 - 10810 feet

General Habitats:

Alpine boulder and rock field (carbonate, scree)

Microhabitat Details:

Microhabitat:

Notes

Notes: See Memoirs of the New York Botanical Garden 1:181 (1900) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	25 %
Other	1	12%
Road/trail construction/maint.	1	12%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
3	1	0	0	0	4

Occurrence Status:
Historical >20 Years	4
Recent <=20 Years	4

Presence:
Presumed Extant	8
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Inyo (INY), Mono (MNO), Tulare (TUL)

Quads: Name (Quad Code)
Convict Lake (3711857), Mt. Barcroft (3711852), Mt. Brewer (3611864), Mt. Thompson (3711825)

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