Category Archives: Modern Research of Birch

Modern Research of Birch

Birch Betula lenta, B. papyrifera, B. pendula (syn. B. verrucosa), and B. pubescens (syn. B. alba) Family: Betulaceae by Josef Brinckmann, Thomas Brendler INTRODUCTION The Betulaceae family includes an estimated 150 to 200 species of trees and shrubs,1 and, depending on the author, the Betula genus includes about 30 to 60 of those species. Betula species are deciduous trees or shrubs and are monoecious (they have both male and female catkins, spike-like inflorescences of unisexual flowers).

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