Philodendron gloriosum André

Stem creeping, internodes green, 4-6 cm long, 1.5-2 cm thick. Cataphyll purple, without keels, 10-15 cm long, long lasting, persistent. LEAVES: Petiole green in the lower part, upper part, midrib and primary lateral veins reddish, marked with longitudinal white striations, semiterete, 20-30 cm long, 6-8 mm thick; blade thinly herbaceous, on the upper side the midrib and primary veins are pale and the margin is reddish, otherwise deep green, pale below, cordate-ovate, 15-25 cm long, 12-20 cm wide; posterior lobes sub-semiorbicular, 3-5 cm long, 6-9 cm wide, separated by and acute sinus; anterior lobe narrowing in an arcuate line towards the apex, eventually acuminate, 3 1/2-4 times longer than the posterior lobes, 3-4 basal primary lateral veins on both sides, shortly joined at the base, not denuded, 3-4 costal veins spreading from the midrib at an obtuse angle, curving upwards near the margin, secondary lateral veins oblique between the primary veins, these are much more slender. INFLORESCENCE: Peduncle 6-8 mm thick, green, apex reddish, marked with white striations. Spathe pale green in the lower part, intense pink in the upper part on both sides, tube white-striate, narrowly ovoid, 5.5 cm long, 3 cm in diameter; blade oblong, shortly acuminate, 7 cm long, convolute, 2.5 cm in diameter or expanded up to 4 cm wide. Spadix: Female zone subcylindric, 3-4 cm long, 1-1.2 cm thick; male zone claviform, obtuse, 6-7 vm long, 1 cm thick. Pistil ovoid ca. 2 mm long, narrowed into a short conical style, stigma rather broadly rounded, locule with few ovules. Male flowers 3-4-androus; stamens ca. 2 mm long; Staminodes truncate, 2.5 mm long.