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Taxon  Report  
Epipactis gigantea  Douglas
Giant helleborine,   Chatterbox orchid,   Stream orchid,   Stream orchis
Epipactis gigantea is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Genus: Epipactis
Family: Orchidaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs in wetlands

Habitat: streambanks

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, wetland-riparian, many plant communities

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEFEpipactis gigantea f. rubrifolia
Information about  Epipactis gigantea from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora


Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Cultivation, Cultivar: Epipactis gigantea is cultivated in the specialty horticulture trade and available as a non-wild collected propagated ornamental plant. A maroon-leaved (forma rubrifolia) cultivar is also grown, called 'Serpentine Night'. (link added by Mary Ann Machi)

[texashillcountry.com] Chatterbox Name Origin: Wondering where the name Chatterbox comes from? The moniker?s origin is revealed when the plant is touched or jostled, as the lower lip and tongue move like a wagging tongue! (link added by Mary Ann Machi)

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 07/18/2024).