Epipactis gigantea Douglas ex Hook.
Stream Orchid, Chatterbox Orchid, Giant Hellebore
Orchidaceae (Orchid Family)
USDA Symbol: EPGI
Leafy stems usually growing in dense patches and in the axils of each upper leaf 1 bilaterally symmetrical greenish-brown and pinkish flower.
The lower lip and tongue move when the flower is touched or shaken; thus giving it the alternate name Chatterbox.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Leaf Complexity: Simple
Size Class: 1-3 ft.
Bloom InformationBloom Color: Pink , Orange , Yellow , Green , Purple , Brown
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AZ , CA , CO , ID , MT , NM , NV , OK , OR , SD , TX , UT , WA , WY
Native Distribution: British Columbia to Mexico; from the Pacific Coast east to the Rocky Mountains and the Black Hills.
Native Habitat: Ledges, Stream, river banks
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade , Shade
Soil Moisture: Moist , Wet
Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High
Soil Description: Sandy, Sandy Loam Medium Loam, Clay Loam, Clay, Limestone-based, Calcareous Acid-based
BenefitUse Ornamental: Water garden, Bog or pond area
Conspicuous Flowers: yes
Fragrant Flowers: yes
Deer Resistant: High
PropagationPropagation Material: Root Division
National Wetland Indicator Status
From the National Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Oregon Native Plant Nursery - Woodburn, OR
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Santa Barbara Botanic Garden - Santa Barbara, CA
BibliographyBibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
Search More Titles in Bibliography
From the ArchiveWildflower Newsletter 1989 VOL. 6, NO.6 - Landscape Restoration, Wildflower Outlook, Wildflower Center Fall Festival, Dire...
Additional resourcesUSDA: Find Epipactis gigantea in USDA Plants
FNA: Find Epipactis gigantea in the Flora of North America (if available)
Google: Search Google for Epipactis gigantea
MetadataRecord Modified: 2017-07-07
Research By: NPC