Key to the Trees of Wisconsin

94. Petiole round in cross-section; leaves about twice as long as wide; buds with odor of balsam. Populus balsamifera 94. Petioles strongly compressed (appearing "flattened"); leaves nearly or fully as wide as long; buds lacking odor of balsam. 95   Glossary of terms Return to start of tree key Return to list of tree species Contact the author