Poison ivy, e.g. (4)
I believe the answer is:
vine
(Other definitions for vine that I've seen before include "Climber - creeper" , "Climbing stem" , "Source of the grape" , "Plant producing grapes" , "Climbing fruiting plant" .)
I believe the answer is:
vine
(Other definitions for vine that I've seen before include "Climber - creeper" , "Climbing stem" , "Source of the grape" , "Plant producing grapes" , "Climbing fruiting plant" .)