Bog Birch (Betula pumila) Linnaeus, 1767

 

Synonyms: Betula borealis, Betula glandulosa var. glandulifera, Betula nana var. glandulifera, (see The Plant List for more synonyms), dwarf birch

 

Betula pumila is a deciduous shrub which grows over much of northern North America, from Yukon to Newfoundland, south to northern California, Colorado, the Lower Great Lakes, and New England (Map). It occurs in bogs, swamps, mineral fens, muskegs, and riparian zones; 0-700 m. Bog Birch reaches 1-4 m in height. The bark is reddish-brown, smooth. The leaves are elliptic, coarsely dentate; 2-5 cm. The catkins are erect, 0.8-1.5 cm long. The fruit is a winged samara. B. pumila flowers in late spring.

 

D44689 Bog Birch (Betula pumila) Bruce Peninsula National Park Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved

 

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