Main Page | See live article | Alphabetical index The hoptree (Ptelea trifoliata, Rutaceae) is a rare shrub. 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. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.