( ( Stomata ( The small ) ) ( ( pores ( ( ( ( in ( ( the epidermis ) ( of plants ) ) ) , ) usually ) ( in ( ( ( the leaves ) , ) ( ( through which ) ( ( ( ( atmospheric gas ) and ) ( water exchange ) ) ( ( ( takes place ) and ) ( is controlled ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Stomata)) (NP (DT The) (JJ small))) (VP (VBZ pores) (PP (PP (IN in) (NP (NP (DT the) (NNS epidermis)) (PP (IN of) (NP (NNS plants))))) (, ,) (RB usually) (PP (IN in) (NP (NP (DT the) (NNS leaves)) (, ,) (SBAR (WHPP (IN through) (WHNP (WDT which))) (S (NP (NP (JJ atmospheric) (NN gas)) (CC and) (NP (NN water) (NN exchange))) (VP (VP (VBZ takes) (NP (NN place))) (CC and) (VP (VBZ is) (VP (VBN controlled)))))))))) (. .)))
Stomata The small pores in the epidermis of plants, usually in the leaves, through which atmospheric gas and water exchange takes place and is controlled.
(ROOT (S (NP (NP (DT The) (NNS epidermis)) (PP (IN of) (NP (DT a) (NN leaf)))) (VP (VBZ contains) (NP (NP (NNS openings)) (VP (VBN known) (PP (IN as) (NP (NP (NN stomata)) (, ,) (SBAR (WHPP (IN through) (WHNP (WDT which))) (S (NP (NP (DT the) (NN exchange)) (PP (IN of) (NP (NNS gases)))) (VP (VBZ takes) (NP (NN place)))))))))) (. .)))