Taxon Report

Kallstroemia parviflora J.B.S. Norton

warty caltrop

Print Report

© 2019 Wynn Anderson

Classification


Scientific Name:	Kallstroemia parviflora J.B.S. Norton
Common Name:	warty caltrop
Family:	Zygophyllaceae
Element Code:	PDZYG03050
USDA Plants Symbol:	KAPA
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Aug-Nov	Aug-Nov
Elevation:	855-1705 (2805-5595)
General Habitats:	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat:	Disturbed areas (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G5
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 4.2 on 2015-01-20

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Castle Peaks (3511532), Cima Dome (3511535), Clark Mtn. (3511555), Crescent Peak (3511542), Earthquake Valley (3311614), Hackberry Mountain (3511512), Hart Peak (3511531), Hayfield Spring (3311565), Ivanpah (3511533), Ivanpah Lake (3511554), Mineral Hill (3511544), Pinto Valley (3511523), Ranchita (3311625), Tubb Canyon (3311624), Warner Springs (3311636), Whale Peak (3311613)

Threat List Data from the CNDDB


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

Notes



Treated as a waif in TJM (1993) and TJM 2, but now considered native to California. See Annual Report of the Missouri Botanical Garden 9:153 for original description.
Threats:
Threatened by solar energy development. Possibly threatened by mining and severe fires.
Taxonomy:

Selected References

CRPR List Addition on 2015-01-20

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 January 2025].