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 power plant at the base of the Yellowtail Dam in Bighorn Canyon National Recreation Area has the capacity to produce 250,000 kilowatts of hydroelectricity. The United States gets 5.7% of its total electricity needs from hydroelectric sources. More...