Taxon  Report   3020 
Epipactis gigantea  Hook.
Giant helleborine,  Stream orchid, Stream orchis
Epipactis gigantea
© 2008 Dee E. Warenycia
Click on a photo to see it bigger.
Epipactis gigantea
© 2009 Thomas Stoughton
Epipactis gigantea
© 2005 Aaron Schusteff
Epipactis gigantea, a monocot, 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
Epipactis gigantea
© 2007 Jason E. Willand
Genus: Epipactis
Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities), wetland-riparian
Habitat: streambanks
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Epipactis gigantea

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

TJM2: Epipactis gigantea f. rubrifolia
More information about  Epipactis gigantea
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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: Jan 23, 2018).

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