( ( ( ( ( Fireweed plants ) , ) ( ( known ( both ( for ( ( ( their ( vibrant color ) ) and ) ( their ability ) ) ) ) ) ( to ( ( ( sprout rapidly ) ( on ( the ( barren ground ) ) ) ) ( after ( a ( forest fire ) ) ) ) ) ) ) , ) ( ( ( ( have ( reached ( ( almost ( two feet ) ) ( in height ) ) ) ) yet ) ( show ( no flowers ) ) ) . ) )
(ROOT (S (NP (NP (JJ Fireweed) (NNS plants)) (, ,) (VP (VBN known) (PP (DT both) (IN for) (NP (NP (PRP$ their) (JJ vibrant) (NN color)) (CC and) (NP (PRP$ their) (NN ability)))) (S (VP (TO to) (VP (VB sprout) (ADVP (RB rapidly)) (PP (IN on) (NP (DT the) (JJ barren) (NN ground))) (PP (IN after) (NP (DT a) (NN forest) (NN fire))))))) (, ,)) (VP (VP (VBP have) (VP (VBN reached) (PP (NP (RB almost) (CD two) (NNS feet)) (IN in) (NP (NN height))))) (CC yet) (VP (VBP show) (NP (DT no) (NNS flowers)))) (. .)))
Fireweed plants, known both for their vibrant color and their ability to sprout rapidly on the barren ground after a forest fire, have reached almost two feet in height yet show no flowers.
(ROOT (S (NP (NNP New) (NNS plants)) (VP (VBP start) (S (VP (VBG sprouting) (PP (ADVP (NP (CD two) (NNS months)) (RBR later)) (IN after) (NP (DT a) (NN forest) (NN fire)))))) (. .)))