Taxon  Report   9703    
Asclepias asperula  (Decne.) Woodson
Spider milkweed
Asclepias asperula
© 2005 James M. Andre
Photos from
CalPhotos / Calflora
Asclepias asperula
© 2014 Wynn Anderson
Asclepias asperula
© 2010 Judy McBride
Asclepias asperula, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Asclepias asperula
© 2005 James M. Andre
Genus: Asclepias
Subspecies and Varieties:
Communities: Pinyon-Juniper Woodland


Name Status:
Accepted by ICPN + PLANTS

More information about  Asclepias asperula
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).