Philodendron linguifolium Schott

Stem scandent, internodes rather long, ca. 5 mm thick. LEAVES: Petiole rather terete, 8-9 cm long, 2-3 mm thick, somewhat dilated towards the base; Blade thinly membranaceous, oblong or oblanceolate-oblong, apex 2 cm long, cuspidate-acuminate, base suddenly narrowing, 20-22 cm long, up to 6 cm wide, midrib rather wide at base, 3 mm thick, disappearing towards the apex, and lateral veins all subequal, spreading, ascending and incurved near the margin.