"Dionaea ' Dracula ' T.Cox is characterised by its large traps, which are strongly curved along the midrib. The marginal lashes are reduced and have a distinctive triangular shape. The interior surfaces of the traps and the lashes develop intense blood red to purple colouration. The exterior of the traps are yellowish green, usually with a prominent red line below the margins of the trap lobes.
Dionaea ' Dracula ' T.Cox is a vigorous cultivar and produces mostly low growing leaves up to 10 cm long. It is best propagated by division of offshoots." Bailey & McPherson, Dionaea:212 (2013)

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From : https://cpnames.carnivorousplants.org/Cultivars.php?name=Dionaea

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Note: Be careful not to confuse with the "fake dracula". The REAL 'dracula' mainly produces a trap rosette, with SOME traps erected, a nice curvature of the trap, the famous red line at the outer edges of the trap, triangular teeth. "Fake dracula" tends to make a lot more traps erected, and have either longer teeth or no red line at the outer margins of the lobes of the trap, or both.