Images of the Common Hoptree (Ptelea trifoliata)

Common Hoptree

Ptelea trifoliata

Native to North America, this small deciduous tree, also called Stinking-Ash or Water-Ash, most frequently occurs on rocky slopes. The trees are covered with ridged reddish to gray-brown bark. Native Americans used the bitter-tasting bark in various traditional remedies.

Habitat:Moist soils.

Growth Habit:Deciduous shrub or small tree, growing to 8 m tall.

Bloom Time:Late spring, early summer.

Longevity:Long-lived.

Presence in US:AL AR AZ CO CT DC DE FL GA IA IL IN KS KY LA MA MD ME MI MN MO MS NC NE NH NJ NM NY OH OK PA RI SC TN TX UT VA VT WI WV

Presence in Canada:ON QC

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This project was supported in part by NSF Grant IIS-03-25867 (ITR: An Electronic Field Guide: Plant Exploration and Discovery in the 21st Century) and by the Washington Biologists' Field Club.

Any opinions, findings, conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the official views, opinions, or policy of the National Science Foundation (NSF).