( ( ( PLANT patents ) ( pertain ( to ( ( the development ) ( of ( new ( plant characteristics ) ) ) ) ) ) ) ( ( produced ( by ( asexual reproduction ) ) ) . ) )
(ROOT (S (NP (NP (JJ PLANT) (NNS patents)) (VP (VBN pertain) (PP (TO to) (NP (NP (DT the) (NN development)) (PP (IN of) (NP (JJ new) (NN plant) (NNS characteristics))))))) (VP (VBD produced) (PP (IN by) (NP (JJ asexual) (NN reproduction)))) (. .)))
PLANT patents pertain to the development of new plant characteristics produced by asexual reproduction.
(ROOT (S (NP (NNP Trees)) (VP (VBP send) (PRT (RP out)) (NP (NP (JJ rootlike) (NNS extensions)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (SBAR (S (NP (JJ new) (NNS stems)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (JJ asexual) (NN reproduction)))))))))))) (. .)))
Trees send out rootlike extensions that produce new stems is an example of asexual reproduction.