roundleaf birch Betulaceae Betula uber (Ashe) Fernald   symbol: BEUB
	Leaf: Alternate, simple, pinnately-veined, round or broadly ovate, singly or doubly serrated, 1 1/2 to 2 1/2 inches long; dark green above and paler below. Flower: Monoecious; preformed male catkins are 1 1/2 to 2 1/2 inches long, pendant, and become much longer and yellow-green as they open in mid-spring; females are upright, 1 inch long, and light green in color. Fruit: Cone-like aggregate of winged nutlets, 1 to 1 1/2 inch long, upright, ripen in late fall. Twig: Slender, reddish brown, with numerous lenticels and a wintergreen odor when cut or chewed. Older twigs contain spur shoots. Buds are conical, sharp pointed, and green and brown. Bark: When young it is dark reddish brown (almost black) with numerous horizontal, slender lenticels; eventually breaks up into small, dark, irregular plates. Form: A small tree with a narrow crown, and slender branches; can reach up to 60 feet in height.
	No range map exists for this species. See a map of the states in which Betula uber can be found (opens a new window). USDA Plants Database Betula uber is native to North America.