Key to the Trees of Wisconsin

15. Ultimate divisions of leaves less than 1 cm wide, rounded at the tip; some once-compound leaves may also be present; thorns present or absent. Gleditisia triacanthos 15. Ultimate divisions of leaves more than 1 cm wide, acute at the tip; all leaves twice-compound; thorns always absent. Gymnocladus dioicus   Glossary of terms Return to start of tree key Return to list of tree species Contact the author