Taxon  Report   751 
Asclepias speciosa  Torrey
Showy milkweed
Asclepias speciosa
© 2006 Matt Below
CalPhotos: click on a
photo to see it bigger
Asclepias speciosa
© 2008 Steve Matson
Asclepias speciosa
© 2009 Neal Kramer
Asclepias speciosa, a dicot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Asclepias speciosa
© 2004 Robert Sivinski
Family: APOCYNACEAE   (PLANTS: ASCLEPIADACEAE)
Genus: Asclepias
Communities:
Yellow Pine Forest, Mixed Evergreen Forest, wetland-riparian
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Asclepias speciosa

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Asclepias giffordii
More information about  Asclepias speciosa
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)

USDA PLANTS Profile (ASSP)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Jun 25, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.