Letter Published: 06 September 1900 The Trembling of the Aspen Leaf HENRY J. COLBOURN Nature 62, 436–437 (1900) Cite this article ...

Unlike most deciduous trees, trembling aspen can photosynthesize through their bark, even in winter. Big-toothed aspens look similar, but as their name suggests, their leaf edges are serrated.

The quaking aspen (Populus tremuloides) is one of Colorado’s most iconic trees and maybe its most dramatic. With smooth white ...