Taxon  Report   5366 
Marah oreganus  (Torrey & A. Gray) Howell  (not an active name)
Coast wild cucumber,  Coastal manroot, Manroot, Wild cucumber
Marah oreganus
© 2007 Zoya Akulova
More photos from
CalPhotos / Calflora
Marah oreganus, a dicot, is a perennial herb or vine that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
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Plant Characteristics
and Associations
Marah oreganus
© 2008 Steve Matson
Genus: Marah
Redwood Forest, Mixed Evergreen Forest, Douglas-Fir Forest, Yellow Pine Forest
Name Status:
Accepted by PLANTS + JM93
ICPN spelling variant of Marah oregana
Alternate Names:
(according to)

PLANTS: Echinocystis oregana
NOTE: Marah oreganus is not an active name in the Calflora species table.
More information about  Marah oreganus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

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: May 21, 2018).

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