( ( Poison ivy ) ( ( has ( three leaves ) ) . ) )
(ROOT (S (NP (NN Poison) (NN ivy)) (VP (VBZ has) (NP (CD three) (NNS leaves))) (. .)))
Poison ivy has three leaves.
(ROOT (S (NP (NN Poison) (NN ivy)) (ADVP (RB typically)) (VP (VBZ has) (NP (NP (CD three) (NNS groups)) (PP (IN of) (NP (NNS leaves))))) (. .)))