|This escaped and naturalized exotic shrub or small tree
is around 20 ft. tall with an irregular crown. Its name comes from its'
TWIGS: Corky ridges; green to dark purplish-brown; four-angled; spiny tips
BARK: Smooth and gray; over time becomes slightly fissured
HABITAT: Moist soils
USES: Occassionally planted as an ornamental for its brilliant red autumn foliage. Indians and pioneers used the powdered bark as a purgative.