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Montana Field Guide

Montana Field Guides

Giant Rattlesnake-plantain - Goodyera oblongifolia


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Stems 15–40 cm. Leaf blades elliptic, 3–7 cm long, usually white-variegated with a white midvein. Inflorescence 5–13 cm long, spiraled or 1-sided; bracts 3–10 mm long. Flowers: lateral sepals 4–7 mm long; hood 5–8 mm long; lip petal 4–6 mm long. Capsule 7–10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to NL south to CA, AZ and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 149

(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
Moist to wet coniferous forest; valleys to lower subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Giant Rattlesnake-plantain — Goodyera oblongifolia.  Montana Field Guide.  .  Retrieved on , from