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Montana Field Guide

Montana Field Guides

Slender Wintergreen - Gaultheria ovatifolia

Potential Species of Concern

Global Rank: G5
State Rank: S3S4

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

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General Description
Slender wintergreen is a low shrub with slender, nearly prostrate, hairy stems, 5-20 cm (2-8 in) long. The alternate, mostly glabrous leaves, 2-4 cm (ca. 1 in) long, are egg-shaped with finely toothed margins. Single stalked flowers occur in the leaf axils. Each white flower, 3-5 mm long, has a 5-lobed, urn-shaped corolla and a shorter, brown-hairy, 5-lobed calyx. The fruit is a bright red, globose berry, 6-8 mm wide.

Phenology
Mature fruit in August.

Diagnostic Characteristics
Gaultheria humifusa has a glabrous calyx and leaves usually less than 2 cm long. The species exhibits low levels of fruit production in our area.

Species Range
Present
 


Summary of Observations Submitted for Montana
Number of Observations: 27

(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 forests, often dominated by Thuja plicata, of terraces and lower slopes in the valleys and lower montane zone.

References
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Citation for data on this website:
Slender Wintergreen — Gaultheria ovatifolia.  Montana Field Guide.  .  Retrieved on , from