Philodendron macroglossum Schott

LEAVES: Blade elongate inversely oblong-lingulate, narrowing gradually, arcuately towards the apex, apex itself shortly cuspidate, base almost truncate, angular, rounded, 50-56 cm long, 5 cm [wide] in the lower part, up to 10 cm wide further towards the apex, midrib rather thick and primary lateral veins rather thick decidedly distant, 5-6 on each side spreading arcuately from the base, running into the margin, somewhat thicker than secondary and tertiary veins.