Very robust root-climbing liana to 15m. Entire coriaceous leaves to 800mm x 410mm. Terminal & axillary inflorescence subtended by a foliage leaf & large cataphylls. Fleshy stoutly-beaked dull greenish-white to yellowish-green spathe tinged purple inside to 325mm x 50mm, spadix greenish aging yellowish to 300mm long x 15mm. Infructescence to 280mm x 30mm