Virginia Tech Dendrology

hoptree Rutaceae Ptelea trifoliata L. Listen to the Latin symbol: PTTR
Leaf: Alternate, palmately compound, 3 leaflets (each 2 to 4 inches long), sparsely serrated or entire, leaf 4 to 7 inches long, shiny dark green above, paler below.
Flower: Small (1/2 inch across), 4 to 5 narrow, greenish white petals, appear in terminal, branched clusters in spring, unpleasant odor.
Fruit: Round wafer-like papery samara, 1 inch across, light brown, maturing in summer.
Twig: Slender to moderate, brown with deep U-shaped leaf scar; light brown, fuzzy short buds.
Bark: Reddish brown to gray-brown, short horizontal lenticels, warty corky ridges, becoming slightly scaly, unpleasant odor and bitter taste.
Form: Typically a shrub but may become a small tree, reaches up to 20 feet with a broad crown.
leaf fruit twig bark form1 map
Additional Range Information: Ptelea trifoliata is native to North America. Range may be expanded by planting. See states reporting hoptree.
External Links: USDA Plants Database - Horticulture Information
All material © 2017 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson