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The compound leaves of black locust are composed of many oval leaflets
Photo credit: Robert Vidéki, Doronicum Kft. | Bugwood.org

The white flowers of black locust are held in hanging racemes
Photo credit: Leslie J. Mehrhoff, University of Connecticut | Bugwood.org

The interlacing ridges on the bark of black locust
Photo credit: Leslie J. Mehrhoff, University of Connecticut | Bugwood.org

The fruits of black locust are flattened legumes that open at maturity to release the seeds
Photo credit: Ohio State Weed Lab Archive, The Ohio State University | Bugwood.org