Tree with a "quaking" species (5)
I believe the answer is:
aspen
(Other definitions for aspen that I've seen before include "Colorado winter sports town" , "Tmorous" , "that's wooden" , "Colorado ski resort - tree" , "Very timid" .)
I believe the answer is:
aspen
(Other definitions for aspen that I've seen before include "Colorado winter sports town" , "Tmorous" , "that's wooden" , "Colorado ski resort - tree" , "Very timid" .)