( ( ( ( Rex Begonia ) and ) ( other ( fibrous begonias ) ) ) ( ( will ( ( develop ( young plants ) ) ( from ( their ( primary ( leaf veins ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Rex) (NNP Begonia)) (CC and) (NP (JJ other) (NNS fibrous) (NNS begonias))) (VP (MD will) (VP (VB develop) (NP (JJ young) (NNS plants)) (PP (IN from) (NP (PRP$ their) (JJ primary) (NN leaf) (NNS veins))))) (. .)))
Rex Begonia and other fibrous begonias will develop young plants                from their primary leaf veins.
(ROOT (S (NP (NNS Leaves)) (VP (VBP export) (NP (NN sugar)) (PP (TO to) (NP (NP (NNS roots)) (CC and) (NP (NP (JJ other) (JJ nonphotosynthetic) (NNS parts)) (PP (IN of) (NP (DT the) (NN plant)))))) (PP (IN through) (NP (DT the) (NNS veins)))) (. .)))