Asclepias asperula ssp. asperula Calflora

Calflora, a 501c3 non-profit

Taxon Report

Asclepias asperula (Decne.) Woodson ssp. asperula

Antelope horns, Spider milkweed

2013 James M. Andre

2012 Duncan S. Bell

Asclepias asperula ssp. asperula is a perennial herb that is native to California, and also found elsewhere in western North America.

California Rare Plant Rank: 4.3 (limited distribution).


	Plant Range Observation Search ~43 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Parent:	Asclepias asperula
Genus:	Asclepias
Family:	Apocynaceae (Asclepiadaceae)
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Communities: Pinyon-Juniper Woodland

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:


JEF	Asclepias capricornu ssp. occidentalis

Information about Asclepias asperula ssp. asperula from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (ASASA) 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: 4.3 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
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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).