( ( The ( weed plant ) ) ( ( can ( ( ( grow ( no faster ) ) ( than ( the rate ) ) ) ( that ( ( its leaves ) ( can ( ( produce energy ) ( for ( new growth ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN weed) (NN plant)) (VP (MD can) (VP (VB grow) (ADVP (DT no) (RBR faster)) (PP (IN than) (NP (DT the) (NN rate))) (SBAR (IN that) (S (NP (PRP$ its) (NNS leaves)) (VP (MD can) (VP (VB produce) (NP (NN energy)) (PP (IN for) (NP (JJ new) (NN growth))))))))) (. .)))
The weed plant can grow no faster than the rate that its leaves can produce energy for new growth.
(ROOT (S (NP (NNS Weeds)) (VP (VBP are) (NP (NP (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP grow) (SBAR (WHADVP (WRB where)) (S (NP (NNS people)) (VP (VBP do) (RB n't) (VP (VB want) (NP (PRP them)) (PP (TO to))))))) (CC and) (VP (MD can) (VP (VB take) (PRT (RP up)) (NP (NP (NN space) (CC and) (NN use) (NNS resources)) (SBAR (WHNP (WDT which)) (S (VP (VBZ hinders) (NP (NP (NN growth)) (PP (IN of) (NP (ADJP (RBR more) (JJ desirable)) (NNS plants))))))))))))))) (. .)))