View in other NatureServe Network Field Guides
Western Twayblade - Listera caurina
Listera banksiana, Neottia banksiana
(see State Rank Reason below)
State Rank Reason (see State Rank above)
Relatively common in moist forest habitats, predominantly west of the continental divide.
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
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:
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
(Observations spanning multiple months or years are excluded from time charts)
- 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.
- Web Search Engines for Articles on "Western Twayblade"