Philodendron marahuacae G.S.Bunting

Small herb. Stem 30 cm long, up to 1.3 cm in diameter, internodes naked, 0.8-1.3 cm long, leaves congested near the apex. Cataphyll 11.5 cm long, more or less caducous (although thin somewhat fibrous cataphyll remains cling to the stem). LEAVES: Petiole 23-29 cm long. Leaf blade papery ovate in outline, 20-23 cm long, 8-9.3 cm wide (4.3-5 cm above the petiole insertion), cordate at the base, posterior lobes separated by a 1.0-2.1 cm deep, triangular sinus. Primary lateral veins ca. 4 on each side, the upper ones emerging at an angle of ca. 30-40 º, the lower ones extending widely, secondary and tertiary veins all sub-parallel. INFLORESCENCE unknown.