LeavesWide stalks; lance-shaped; 3-6 cm long; dark green; blotched with white (Moss, 1983). Basal cluster; stalks 5-20 mm long (E-Flora BC).FlowersUnbranched elongated inflorescence; matures bottom upwards (raceme); spiral or 1-sided; sepals and petals 6-9 mm long (Moss, 1983). Greenish-white flowers; sepals 1-veined; lateral 5 m long; upper sepal 6-11 mm long; joined with lateral petals to form hood over lip; lip 5-7 long; beaked (E-Flora BC).Fruits and SeedsCapsules; erect; 10 mm long (E-Flora BC).
Scientific NameGoodyera oblongifolia Raf.
Common Name
No common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).
General Description
A glandular hairy perennial herb that grows 10-40 cm high (Moss, 1983); grows from slender rhizomes, lacks stem leaves and has greenish-white flowers (E-Flora BC).
Leaves
Wide stalks; lance-shaped; 3-6 cm long; dark green; blotched with white (Moss, 1983). Basal cluster; stalks 5-20 mm long (E-Flora BC).
Flowers
Unbranched elongated inflorescence; matures bottom upwards (raceme); spiral or 1-sided; sepals and petals 6-9 mm long (Moss, 1983). Greenish-white flowers; sepals 1-veined; lateral 5 m long; upper sepal 6-11 mm long; joined…
Unbranched elongated inflorescence; matures bottom upwards (raceme); spiral or 1-sided; sepals and petals 6-9 mm long (Moss, 1983). Greenish-white flowers; sepals 1-veined; lateral 5 m long; upper sepal 6-11 mm long; joined with lateral petals to form hood over lip; lip 5-7 long; beaked (E-Flora BC).
Fruits and Seeds
Capsules; erect; 10 mm long (E-Flora BC).
Phenology
July to September (JSTOR).
Notes
2n=30 (Moss, 1983). Also known as Peramium mensiesii (Moss, 1983).
Range/Distribution
Alberta: SW along mountain range (Canadensys). CAN (BC, SK, ON, QC, NL, NB, NS); USA (AK, WA, OR, CA, MT, ID, WY, UT, SD, NE, UT, CO, AZ, NM, WI, MI, ME) (USDA).
Citation
Page Citation for Goodyera oblongifolia Raf.
Page Citation
"Species Details - Goodyera oblongifolia Raf., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-4518. Accessed 24 May. 2025.
Specimen Information
There are 36 specimens of this Species.
21 results plotted on map in 19 markers. Note: Only records with latitude and longitude coordinates are plotted on map.
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, British Columbia, FieldDate Collected1943-09-10
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, British Columbia, Yoho National Park, Wapta FallsDate Collected1944-08-05
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, British Columbia, Yoho National Park, Emerald LakeDate Collected1943-09-10
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Washington, Clallam County, Lake CrescentDate Collected1935-08-12
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Washington, Pierce County, LongmireDate Collected1938-08-08
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Oregon, Blue RiverDate Collected1940-07-15
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Montana, Park County, War Eagle MountainDate Collected1986-08-08
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Wyoming, Bighorn MountainsDate Collected1970-10-06
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: United States, Wyoming, Bighorn MountainsDate Collected1968-08-08
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, Alberta, West Castle RiverDate Collected1991-07-23
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, Alberta, Banff National Park, Chephren LakeDate Collected1965-07-02
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, Alberta, Banff National Park, Southeast Lyell GlacierDate Collected1984-08-09
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Waterton LakesDate Collected1952-07-10
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, British Columbia, Vancouver Island, Mount ArrowsmithDate Collected1973-08-14
Common NameNo common name for Alberta; large-leaved rattlesnake orchid, western rattlesnake plantain (E-Flora BC).Place CollectedNorth America: Canada, British Columbia, Yoho National Park, Ice RiverDate Collected1974-08-27