downy birch :
- n European birch with dull white to pale brown bark and somewhat drooping hairy branches
News & Articles
- Genetic legacy of rare dwarf trees is widespread
Genetic evidence that one of Britain's native tree species, the dwarf birch found in the Scottish Highlands, was once common in England has been found by researchers. The genes reflect a much wider distribution occupied by the "wee tree" when the British climate was colder. "As dwarf birch moved north, some of its genes were picked up by downy birch trees, which spread through Britain at the ...
April 25, 2014 - Science Daily