Betula pumila

Betula pumila (dwarf birch^[2] or bog birch^[3]) is a deciduous shrub native to North America. Bog birch occurs over a vast area of northern North America, from Yukon in the west to New England in the east and all the way to Washington and Oregon, inhabiting swamps and riparian zones in the boreal forests.

Betula pumila
Conservation status
Least Concern  (IUCN 3.1)[1]
Secure  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Betulaceae
Genus:	Betula
Subgenus:	Betula subg. Chamaebetula
Species:	B. pumila
Binomial name
Betula pumila L.

Description

It reaches 1–4 m (3–13 ft) in height. Like other birches, it is monoecious and its reproductive structures are catkins. Leaves are alternate but close together, especially on slow growing individuals. Leaves are coarsely dentate and rounded at the base.