Black Cottonwood, Balsam Poplar
Populus balsamifera ssp. trichocarpa
Synonyms: Populus balsamifera, Populus balsamifera ssp. trichocarpa, Populus balsamifera var. californica, Populus trichocarpa var. cupulata, Populus trichocarpa var. ingrata
The photo above shows the leaf shapes of leaves
of black cottonwood from SnowKing SnowPark along Rd #82on the southeastern slopes
of Mt. Adams.........August 25, 2005. The upper leaf surface is
shown in the middle.
The photo above shows the lighter colored lower
leaf blade surface of black cottonwood from SnowKing SnowPark along Rd #82on
the southeastern slopes of Mt. Adams........August 25, 2005.
The photo above shows a close-up of the upper leaf surface of black cottonwood as seen at about 6900' on the moraines at the base of the Adams Glacier on Mt. Adams........September 18, 2008. Plants at this location are very reduced in size and at most are a meter high.
The photo above shows a close-up of the glaucous lower leaf surface of black cottonwood as seen at about 6900' on the moraines at the base of the Adams Glacier on Mt. Adams.........September 18, 2008.
Paul Slichter