|poison ivy (Toxicodendron radicans)||
poison ivy (Toxicodendron radicans; CASHEW FAMILY [Anacardiaceae]) Small to large shrub or climbing vine with very small (1/8" wide) green flowers in inconspicuous branching axillary clusters. Small (¼") fruit grayish or yellowish white. Leaves compound but variable in appearance, with 3 entire or coarsely toothed leaflets, sometimes shiny, sometimes not. Open woods, thickets, fencerows, and wood edges. Flowers in late spring and early summer. All parts poisonous to the touch at all seasons. 
Use in any copyrighted document or any web site is prohibited without specific permission of the University of Wisconsin - Stevens Point Department of Biology. Please contact Webmaster for more information.