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Wafer ash, Common hoptree, Hop tree

Ptelea trifoliata


Aromatic shrub or small tree with a rounded crown. The trunk is slender and crooked, bearing interwoven, ascending branches. Bark, crushed foliage, and twigs have a slightly lemonlike, unpleasant musky odor. Trifoliate, deciduous leaves with leaflets on a petiole up to 2 inches long, the terminal leaflet up to 2 1/2 inches long, obovate, tapering more gradually to the base than to the tip, midrib of lateral leaflets off center. Leaves are dark-green in summer, turning yellow in fall. Flowers small, greenish white, in clusters among the leaves, appearing in April. Fruit distinctive, waferlike samara with broad wings, approximately 7/8 inch long by 3/4 inch wide.


Dry, wooded hillside of wildlife habitat yard.


This widespread species includes many varieties with leaflets of differing sizes and shapes. The common name refers to a reported use in earlier days of the bitter fruit as a substitute for hops in brewing beer. The bitter bark of the root, like other aromatic barks, has been used for home remedies. The northernmost New World representative of the Rue (Citrus) family.

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Spotted by

Texas, USA

Lat: 31.11, Long: -97.50

Spotted on Sep 30, 2014
Submitted on Oct 7, 2014

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