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Montana Field Guide

Montana Field Guides

Greene's Mountain-ash - Sorbus scopulina


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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General Description
Shrubs. Stems 1–3 m, glabrate to gray-pilose, becoming brown. Leaves mostly glabrous, green above, paler beneath with 9 to 13 narrowly lanceolate, acuminate leaflets 3–7 cm long. Inflorescence flat-topped to hemispheric, white-pilose. Flowers: calyx white-pilose; sepals 1–1.5 mm long; petals 4–6 mm long. Pome usually orange (red), 5–10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).Our plants are variety scopulina.

Species Range
Present
 


Range Comments
AK to AB south to CA, NM and SD (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 4

(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 forest, avalanche slopes, margins of lakes, streams; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Greene's Mountain-ash — Sorbus scopulina.  Montana Field Guide.  .  Retrieved on , from