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Montana Field Guide

Montana Field Guides

One-flower Wintergreen - Moneses uniflora
Other Names:  Pyrola uniflora


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 8

External Links






 
General Description
Small, caulescent, evergreen herbaceous subshrub from a slender, rhizome-like root. Stems herbaceous, unbranched, erect, to ca. 4 cm in flower. Leaves in whorls of 3, petiolate, suborbicular, to 2 cm long, dark green. Inflorescence: a solitary, nodding flower from a terminal bud on last year’s stem, becoming erect in fruit; peduncle elongating in fruit. Flowers perfect, regular, hypogynous, 5-merous, corolla saucer-shaped; calyx lobes oval, whitish; petals distinct, ovate, to 10 mm long, white; stamens 10; stigma star-shaped, with 5 erect, marginal lobes; style straight; ovary superior. Fruit a globose, 5-chambered capsule (Stickney in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to CA, AZ, NM, SD, MN, WS, OH and NY (Stickney in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 62

(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, deeply shaded coniferous forests, often in moss of riparian spruce forest; valleys to subalpine (Stickney in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
One-flower Wintergreen — Moneses uniflora.  Montana Field Guide.  .  Retrieved on , from