Taxon Report

Draba lonchocarpa Rydb.

spear-fruited draba

Print Report

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

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	3000-3295 (9845-10810)
General Habitats:	Alpine boulder and rock field
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G5
State Rank:	S2S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	8
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	4

Location


California Endemic: False
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)

Threat List Data from the CNDDB


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

Notes



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

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 11 June 2025].