( ( ( The groups ) ( of three ) ) ( , ( ( tear shaped ) ( ( leaves ( ( growing ( from ( the stem ) ) ) ( are ( ( ( ( a ( dead giveaway ) ) ( of ( poison ivy ) ) ) or ) ( ( similar species ) ( known ( as ( poison ( ( oak or ) sumac ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (NP (DT The) (NNS groups)) (PP (IN of) (NP (CD three)))) (, ,) (S (VP (VB tear) (ADJP (JJ shaped)))) (VP (VBZ leaves) (SBAR (S (S (VP (VBG growing) (PP (IN from) (NP (DT the) (NN stem))))) (VP (VBP are) (NP (NP (NP (DT a) (JJ dead) (NN giveaway)) (PP (IN of) (NP (NN poison) (NN ivy)))) (CC or) (NP (NP (JJ similar) (NNS species)) (VP (VBN known) (PP (IN as) (NP (NN poison) (NN oak) (CC or) (NN sumac)))))))))) (. .)))
The groups of three, tear shaped leaves growing from the stem are a dead giveaway of poison ivy or similar species known as poison oak or 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))))) (. .)))