quaking aspen

== English == === Noun === quaking aspen (plural quaking aspens) An American aspen (Populus tremuloides), the leaves of which have flattened petioles that cause them to tremble in the breeze. Synonyms: trembling aspen, American aspen, quaky tree, quaky aspen, quaky, mountain aspen, golden aspen, trembling poplar, white poplar, quiverleaf Hypernym: popple A Eurasian aspen (Populus tremula) === References === quaking aspen on Wikipedia.Wikipedia Populus tremuloides on Wikispecies.Wikispecies Category:Populus tremuloides on Wikimedia Commons.Wikimedia Commons