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Montana Field Guide

Montana Field Guides

Hybrid Balsam Poplar - Populus x brayshawii
Other Names:  Populus angustifolia × Populus balsamifera

Native Species

Global Rank: GNA
State Rank: SNA

Agency Status
MNPS Threat Rank:

External Links

General Description
Trees up to 20 meters tall; branches ascending in upper half of trunk. Branchlets orange-brown turning gray by the third year, glabrous to thinly pubescent. Petioles round in cross-section, mostly 1-2.5 cm long. Leaves mostly 5-9 cm long, 1.5-3.5 cm wide, lanceolate to narrowly ovate, glabrous, minutely crenate-serrate, apex acute. Catkins lose, 2.5-10 cm long, rachis hairy. Floral disks 1-2 mm wide. Staminate flowers with 15-25 stamens; pistillate flowers with broad, compact stigmas. Capsules 2-valved, 4-5.5 mm long, broadly ovoid to orbiculoid (adapted from: Larson, 1986, Flora of the Great Plains).

Species Range

Range Comments
Sporadically from BC, AB, MT and ND to AZ and CO (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Riparian areas in canyons.

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Citation for data on this website:
Hybrid Balsam Poplar — Populus x brayshawii.  Montana Field Guide.  .  Retrieved on , from