helleborine USDA PLANTS Symbol: EPHE
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Epipactis helleborine (L.) Crantz

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Taxonomic Rank: Liliopsida: Orchidales: Orchidaceae
Synonym(s): helleborine

Appearance
Epipactis helleborine is a perennial herb in the orchid family that can grow anywhere from 9.8-35.4 in. (25-90 cm) tall.
Foliage
Leaves are alternate, clasping, dark green, 1.6-7.1 in. (4-18 cm) long, elliptic to lance shaped, and hairy. Flowering stem is green to purplish and usually short hairy.
Flowers
Flowers are 0.79-1.2 in. (2-3 cm) long, open with 3 petals the lowest petal forming a lip, and range in color from green to whitish green or green streaked to completely purple. Blooming occurs late June to August.
Fruit
Fruit are capsule that are egg-shaped to ellipsoid, green with brownish lines, up to 0.6 in. (1.5 cm) long, and generally hairy.
Ecological Threat
Epipactis helleborine prefers disturbed areas such as along foot trails and roadsides within woodlands.

Identification, Biology, Control and Management Resources

Selected Images from Invasive.orgView All Images at Invasive.org


Flower(s); Helleborine, Epipactis helleborine, orchid family, non-native
Rob Routledge, Sault College, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.


Invasive Listing Sources:
Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.
Jil Swearingen, personal communication, 2009-2016