Dear Tony et al; There's a description and key in "Flora of Japan" for Symplocarpus nipponicus. This gives you the difference from S. foetidus (which they list as S. renifolius !), description etc. Best Jim W. James W. Waddick Voice: 816 746 1949 8871 NW Brostrom Rd E-MAIL: jim-jim@swbell.net Kansas City MO 64152 Fax: 816 746 1939 Zone 5/6 - Winter low -10=B0F Summer high +100=B0F