Western Twayblade - Listera caurina
Listera banksiana, Neottia banksiana
* (see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Relatively common in moist forest habitats, predominantly west of the continental divide.
- Details on Status Ranking and Review
Western Twayblade (Listera caurina) Conservation Status Review
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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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
AK to CA, OR, ID and MT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.