Shrub or tree to 8 m tall Leaves: usually over 3 cm long, widest above the base with a pointed tip. Fruit: borne in catkins less than 1 cm thick. Bark: gray to brown or reddish brown, sometimes peeling. Characteristics: intermediate of the parents.
Similar species: Betula x purpusii and Betula x sandbergii are both hybrids that share a common parent, Betula pumila. Betula pumila is a shrub, and both of these hybrids are more shrub-like than their other parents. Betula x purpusii can be distinguished from B. x sandbergii by the wintergreen scent on its scratched twigs, ascending lobes on the scales of its female catkins, and more lateral veins on its leaves.
Habitat and ecology: Rare in the Chicago Region, but may be found in boggy woods.
Occurence in the Chicago region: native
Etymology: Betula is the Latin name for birch.
Author: The Morton Arboretum
Funded by Institute of Museum and Library Services (IMLS)
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
Copyright © 2001–2009 The vPlants Project, All Rights Reserved.
The Morton Arboretum, The Field Museum, Chicago Botanic Garden, Additional Partners
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