. "Zanthoxylum clava-herculis, Hercules' club (or Hercules-club), pepperwood, or southern prickly ash, is a spiny tree or shrub native to the southeastern United States. It grows to 10\u201317 m tall and has distinctive spined thick, corky lumps 2\u20133 cm long on the bark. The leaves are glabrous and leathery,pinnately compound, 20\u201330 cm long with 7-19 leaflets, each leaflet 4\u20135 cm long. The flowers are dioecious, in panicles up to 20 cm long, each flower small, 6\u20138 mm diameter, with 3-5 white petals."@en . . . . . . . . . .