( ( Sclerocactus papyracanthus ) ( ( is ( ( a species ) ( of ( ( ( ( ( ( cactus ( known ( by ( the ( common ( names ( grama ( grass cactus ) ) ) ) ) ) ) ) , ) ( paper-spined cactus ) ) , ) and ) toumeya ) ) ) ) . ) )
(ROOT (S (NP (JJ Sclerocactus) (NNS papyracanthus)) (VP (VBZ is) (NP (NP (DT a) (NN species)) (PP (IN of) (NP (NP (NP (NN cactus)) (VP (VBN known) (PP (IN by) (NP (DT the) (JJ common) (NNS names) (NN grama) (NN grass) (NN cactus))))) (, ,) (NP (JJ paper-spined) (NN cactus)) (, ,) (CC and) (NP (NN toumeya)))))) (. .)))
Sclerocactus papyracanthus is a species of cactus known by the common names grama grass cactus, paper-spined cactus, and toumeya.
(ROOT (S (NP (NP (DT The) (NNS spines)) (PP (IN of) (NP (DT a) (NN cactus)))) (VP (VBP help) (SBAR (S (NP (PRP it)) (VP (VBP survive) (SBAR (IN because) (S (NP (NNS spines)) (VP (VB protect) (NP (DT the) (NN cactus)) (PP (IN from) (NP (NNS animals)))))))))) (. .)))