Hemi-epiphytic vine. Stem: apex green becoming brown in the mature parts, internodes 1-5 cm long. Prophyll 35.5 x 5.5 cm, triangular-linear; green to greenish-cream to vinaceous green with vinaceous staining. LEAVES: Petiole 37-46 cm long. Leaf blade 40-60 x 25-46 cm, ovate to broadly ovate, apex acute to acuminate, base cordate, distinctly paler on lower surface, subcoriaceous; anterior division 29 – 41 x 25 – 46 cm, primary lateral veins 4 – 5 per side, interprimary veins well-differentiated; posterior division 9 – 18 x 20 – 24 cm, acroscopic veins 1-3 per side, basioscopic veins 1-2 per side; basal veins 2-6 per side, with none free to base; posterior rib naked for 2-3 cm. INFLORESCENCE: Inflorescence 1-5 per floral sympodium; peduncle 9-11 cm long, cream to creamy-green. Spathe 18-26.5 x 2-3, narrowly oblong, not constricted, outside green with tiny white grooves, becoming white near and during anthesis, bright cream inside. Spadix 20-24 cm long, male zone 11-12.5 cm long, cream becoming pinkish, intermediate male sterile zone 2.5 cm long, cream, female zone 6-7.5 cm long, greenish. Flowers: stamens 1-1.5 x 0.8-1 mm, intermediate staminodes 1.3-2 x 0.8-2 mm, gynoecium 1.8-2.5 x 1.2-2 mm, ovary 6-10-locular, ovules 2-4 per locule, placentation sub-basal. INFRUCTESCENCE: Berries not seen.