( ( ( ( ( They ( grow ( as ( ( vines or ) bushes ) ) ) ) , ) and ) ( ( the leaves ) ( ( have ( ( ( ( three leaflets ) ( -LRB- ( ( ( ( poison ivy ) , ) ( poison oak ) ) -RRB- ) ) ) or ) ( ( a row ) ( of ( paired leaflets ) ) ) ) ) ( -LRB- ( ( poison sumac ) -RRB- ) ) ) ) ) . )
(ROOT (S (S (NP (PRP They)) (VP (VBP grow) (PP (IN as) (NP (NNS vines) (CC or) (NNS bushes))))) (, ,) (CC and) (S (NP (DT the) (NNS leaves)) (VP (VBP have) (NP (NP (CD three) (NNS leaflets)) (PRN (-LRB- -LRB-) (NP (NN poison) (NN ivy)) (, ,) (NP (NN poison) (NN oak)) (-RRB- -RRB-)) (CC or) (NP (NP (DT a) (NN row)) (PP (IN of) (NP (JJ paired) (NNS leaflets))))) (PRN (-LRB- -LRB-) (NP (NN poison) (NN sumac)) (-RRB- -RRB-)))) (. .)))
They grow as vines or bushes, and the leaves have three leaflets (poison ivy, poison oak) or a row of paired leaflets (poison sumac).
(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))))) (. .)))