( ( Poison ( oak ( and ( poison ivy ) ) ) ) ( ( ( ( have ( ( fuzzy-looking leaves ) ( in ( clusters ( of three ) ) ) ) ) and ) ( have ( reddish-brown roots ) ) ) . ) )
(ROOT (S (NP (NN Poison) (NN oak) (CC and) (NN poison) (NNS ivy)) (VP (VP (VBP have) (NP (NP (JJ fuzzy-looking) (NNS leaves)) (PP (IN in) (NP (NP (NNS clusters)) (PP (IN of) (NP (CD three))))))) (CC and) (VP (VBP have) (NP (JJ reddish-brown) (NNS roots)))) (. .)))
Poison oak and poison ivy have fuzzy-looking leaves in clusters of three and have reddish-brown roots.
(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))))) (. .)))