( ( In ( ( wind-pollinated plants ) ( -LRB- ( ( plants ( ( whose seed ) ( are ( ( spread ( by ( the ( ( wind and ) not ) ) ) ) ( by pollinators ) ) ) ) ) -RRB- ) ) ) ) ( , ( petals ( ( ( are usually ) ( ( ( less ( brightly colored ) ) or ) non-existent ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (JJ wind-pollinated) (NNS plants)) (PRN (-LRB- -LRB-) (NP (NP (NNS plants)) (SBAR (WHNP (WP$ whose) (NNS seed)) (S (VP (VBP are) (VP (VBN spread) (PP (IN by) (NP (DT the) (NN wind) (CC and) (RB not))) (PP (IN by) (NP (NNS pollinators)))))))) (-RRB- -RRB-)))) (, ,) (NP (NNS petals)) (VP (VBP are) (ADVP (RB usually)) (ADJP (ADJP (RBR less) (RB brightly) (JJ colored)) (CC or) (ADJP (JJ non-existent)))) (. .)))
In wind-pollinated plants (plants whose seed are spread by the wind and not by pollinators), petals are usually less brightly colored or non-existent.
(ROOT (S (NP (NP (NNS Flowers)) (VP (VBN pollinated) (PP (IN by) (NP (NN wind))))) (ADVP (RB generally)) (VP (VBP lack) (NP (JJ brightly) (VBN colored) (NNS parts))) (. .)))