Shrub Indiana Native Dirca palustris [Leatherwood] Dirca palustris is a small, dense, quite rounded, Indiana native shrub with excellent yellow fall coloration. Although it is generally uncommon in the wild, Leatherwood can be found growing naturally and thriving along the ravines of Turkey Run State Park in Marshall, IN. This plant requires rich, moist, acidic soils and should be protected from intense sun. Leatherwood fruits, bark, and roots are poisonous.