Philodendron populneum K.Koch ex Schott

LEAVES: Petiole terete, ca. 2 times longer than the anterior lobe of the blade, covered with very dense, minute verrucae especially towards the base. Blade of juvenile plants oblong-triangular-cordate; those of adult plants equal-sided, triangular-cordate, posterior lobes very slightly introrse, sinus very obtuse, subangular ('subangulatis exitu obtusissimis'); Anterior lobe suddenly narrowing towards the apex, apex itself cuspidulate; posterior ribs barely denuded in the sinus, 3-4 primary lateral veins in the anterior lobe, the lowermost ones spreading openly, the upper ones spreading obliquely.