Form. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. They take root in pure sand or gravel along riverbanks. trichocarpa (Torr. The leaves are alternate, deciduous, thick and oval with heart-shaped base and sharp-pointed tip. They are extremely difficult to get (unless you live in northern British Columbia and not afraid of a good hike into the forest). The bark used for carvings needs to come from dead trees. The limbs bear alternate leaves which are simple, broadly ovate and 3”-5” long. Black Cottonwood contains a large amount of rooting hormone, just like willows, so it is useful for plant propagation. The leaves are alternate, deciduous, thick and oval with heart-shaped base and sharp-pointed tip. Up to 5" wide. See more ideas about cottonwood, fairy house, wood bark. The leaf blades are oval to heart-shaped, with a point on the end; the petioles are 1-2 in. The gum from the buds was used to treat baldness, sore throats, whooping cough and tuberculosis. Rain City Slam: 2019 Grand Slam Championship! Buds spiral round the twig and are closely pressed to it. Plains Cottonwood trees grow in North Dakota, Eastern Montana, and Colorado. Beavers love cottonwood bark (to eat) and they harvest the branches and trunks to construct dams. Seedlings and saplings are usually killed by fire of any intensity, and all trees may killed by high- intensity fire. Young bark is light gray and smooth contrasting sharply with the darkened fissures of older bark. });