( ( Stolons and ) Runners )
(ROOT (NP (NNPS Stolons) (CC and) (NNPS Runners)))
Stolons and Runners
(ROOT (S (S (NP (DT Some) (NNS plants)) (VP (VP (VBP have) (NP (NNS stolons))) (, ,) (CC or) (VP (VBZ stems)))) (, ,) (NP (DT that)) (VP (VP (VBP run) (PRT (RP along)) (NP (DT the) (NN ground))) (CC and) (VP (VBP are) (ADVP (RB commonly)) (VP (VBN called) (NP (NNS runners))))) (. .)))