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 Crow Reservation was established by the Treaty of 1851. Today the reservation encompasses approximately 2.2 million acres, largest in the state of Montana. This is 2 1/2 times the acreage of the state of Rhode Island. More...