Philodendron obtusilobum Miq.

Stem scandent. LEAVES: Petiole terete, longer than midrib. Blade sagittate-oblong, anterior lobe with a shortly cuspidulate apex; posterior lobes obliquely oblong-semi-elliptic, separated by a deep elliptic sinus; posterior ribs denuded in the sinus; 3-5 costal primary lateral veins on each side, straight, very patent, disappearing towards the margin.