Taxon  Report   7864 
Streptopus amplexifolius  (L.) DC.  var. americanus  Schult. & Schult. f.
American streptopus,  Schultestwisted stalk, Twisted stalk
Streptopus amplexifolius var. americanus
© 2010 Julie Kierstead Nelson
More photos from
CalPhotos / Calflora
Streptopus amplexifolius var. americanus
© 2011 Steve Matson
Streptopus amplexifolius var. americanus
© 2008 George W. Hartwell
Streptopus amplexifolius var. americanus, a monocot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.

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Observation Hotline
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Plant Characteristics
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Bloom Period
Streptopus amplexifolius var. americanus
© 2015 John Doyen
Genus: Streptopus
Parent Record Streptopus amplexifolius
Redwood Forest, Yellow Pine Forest, Douglas-Fir Forest, wetland-riparian
Wetlands: Equally likely to occur in wetlands and non wetlands
Distribution by County 

Add an Observation of  Streptopus amplexifolius var. americanus

Name Status:
Accepted by JEF + JM93
PLANTS accepted name: Streptopus amplexifolius var. amplexifolius
More information about  Streptopus amplexifolius var. americanus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 22, 2018).

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