( ( Seed plants ) ( ( called ( angiosperms ( produce ( seeds ( in ( ( the ovaries ) ( of flowers ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Seed) (NNS plants)) (VP (VBD called) (SBAR (S (NP (NNS angiosperms)) (VP (VBP produce) (NP (NP (NNS seeds)) (PP (IN in) (NP (NP (DT the) (NNS ovaries)) (PP (IN of) (NP (NNS flowers)))))))))) (. .)))
Seed plants called angiosperms produce seeds in the ovaries of flowers.
(ROOT (S (NP (NNS Angiosperms)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (VBG flowering) (NN seed) (NNS plants))))) (. .)))