( ( ( ( ( These trees ) , ) ( called mangroves ) ) , ) ( ( have ( ( wide-spreading ( stilt roots ) ) ( that ( ( ( ( support ( the trees ) ) ( in ( the ( tidal mud ) ) ) ) and ) ( trap ( nutritious ( organic matter ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT These) (NNS trees)) (, ,) (VP (VBN called) (NP (NNS mangroves))) (, ,)) (VP (VBP have) (NP (NP (JJ wide-spreading) (NN stilt) (NNS roots)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP support) (NP (DT the) (NNS trees)) (PP (IN in) (NP (DT the) (JJ tidal) (NN mud)))) (CC and) (VP (NN trap) (NP (JJ nutritious) (JJ organic) (NN matter)))))))) (. .)))
These trees, called mangroves, have wide-spreading stilt roots that support the trees in the tidal mud and trap nutritious organic matter.
(ROOT (S (NP (JJ Stilt) (JJ like) (NNS roots)) (VP (VBZ helps) (S (NP (JJ mangrove) (NNS trees)) (VP (VB rise) (ADJP (JJ high) (PP (IN above) (NP (DT the) (NN water))))))) (. .)))