Philodendron deflexum Poepp. ex Schott

LEAVES: Petioles...; Blade thinly coriaceous, elongate-cordate sagittate, 35-45 cm long, 23 cm wide in the lower part; Posterior lobes broadly oblique, obtusely oblong, 15 cm long 10 cm wide, separated by a broad, deeply parabolic sinus; Anterior lobe almost 4 times longer than the posterior lobe, gradually narrowed, arcuate, slightly extrose ('linea') towards the apex. Primary lateral veins borne from the base joined by straight posterior ribs, naked for 4-5 cm in the sinus, primary lateral veins spreading at an obtuse angle from the midrib, ascending towards the margin, 10-12 on each side, midrib thick at the base, attenuating upwards, secondary veins oblique between primary veins.