Polygala subspinosa Calflora

Calflora, a 501c3 non-profit

Taxon Report

Polygala subspinosa S. Watson

Spiny milkwort

2022 Trevor Schalla

2005 Christopher L. Christie

Polygala subspinosa is a perennial herb that is native to California, and also found elsewhere in western North America.

also called Rhinotropis subspinosa

California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).


	Plant Range Observation Search ~40 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Polygala
Family:	Polygalaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Communities: Sagebrush Scrub

Name Status:
Accepted by CNPS + PLANTS

Alternate Names:


ICPN	Polygala lasseniana
JEF	Rhinotropis subspinosa

Information about Polygala subspinosa from other sources


Nursery availability from CNPLX Commercial availability unknown. USDA PLANTS Profile (POSU2) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 2B.2 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 11/21/2024).