The plains cottonwood, (Populus deltoides), dominates the stream banks along the Bighorn River below the mouth of Bighorn Canyon.
"Cotton" Floating On The Breeze
The leaves are triangular to heart shaped with coarsely toothed margins. Their leaf stems are flattened lengthwise so the leaves flutter in the breeze like those of the related quaking aspen. The leaves turn yellow in the fall providing most of the autumn color in the valley.
Did You Know?
The 10,000 year old Bad Pass Trail, marked by rock cairns, was used by American Indians as a trade/travel route, then by mountain men, early settlers, and today by Bighorn Canyon visitors. More...