Utah State Tree
Salicaceae Populus tremuloides
Alternate, simple, 1 to 3 inches long, green above and paler below, heart-shaped to nearly round with a fine toothed margin, petiole is flattened.
Species is dioecious; male and female hanging catkins 1 to 3 inches long.
Catkin (2 to 4 inches long), with attached light green capsules which contain many small hairy seeds.
Slender, glabrous, reddish brown often with a gray, waxy film; buds conical, reddish brown, terminal bud 1/4 inch long, may be slightly resinous.
At first smooth, creamy yellowish-white to very light green; later developing thick furrows and becoming dark, especially near the base.
Small (30 to 40 feet tall) upright tree, which often occurs in thickets.
Conservation; Photos and text by: John Seiler, Edward Jensen,
Alex Niemiera, and John Peterson;Silvics reprinted from Ag
Handbook 654; range map source information