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Western Twayblade - Listera caurina
Other Names:
Listera banksiana, Neottia banksiana
Native Species
Global Rank:
G4
State Rank:
S4
(see State Rank Reason below)
C-value:
7
Agency Status
USFWS:
USFS:
BLM:
External Links
State Rank Reason (see State Rank above)
Relatively common in moist forest habitats, predominantly west of the continental divide.
General Description
Stems 8–30 cm, glandular-pubescent above. Leaves broadly elliptic to ovate, 3–7 cm long. Inflorescence of 5 to 35 flowers; bracts 3–8 mm long. Flowers sepals 2–4 mm long, narrowly lanceolate; lip petal declined but not pendent, 4–7 mm long, pear-shaped, blunt-tipped, gradually tapered to the base. Capsule obovoid 4–7 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Native
Range Comments
AK to CA, OR, ID and MT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 164
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
References
- Literature Cited AboveLegend:
View Online Publication- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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