Calflora
Taxon  Report   9706    
Asclepias tuberosa  L.  ssp. interior  Woodson
Butterfly milkweed
Asclepias tuberosa ssp. interior
© 2005 Robert Sivinski
Photos from
CalPhotos / Calflora
Asclepias tuberosa ssp. interior, a dicot, is a shrub that is not native to California.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon




Bloom Period
Asclepias tuberosa ssp. interior
© 2005 Robert Sivinski
Family: APOCYNACEAE  
Genus: Asclepias
Parent: Asclepias tuberosa
Toxicity: MINOR, DERMATITIS
Name Status:
Accepted by ICPN + PLANTS

Alternate Names:
PLANTS: Asclepias tuberosa ssp. terminalis
PLANTS: Asclepias tuberosa var. interior
More information about  Asclepias tuberosa ssp. interior
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on PlantID.net   /   Google Images

Records from the Consortium of California Herbaria

USDA PLANTS Profile (ASTUI)

Search efloras.org (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Dec 17, 2018).