Slender root-climber to 4m with heart-shaped coriaceous leaves to 140mm x 95mm, leaves puckered between main veins. Solitary lateral inflorescence with subtending cataphyll to 20mm x 5mm. Coriaceous pale yellow spathe to 50mm x 150mm, pale yellow spadix to 27mm x 20mm, pale yellow flowers 4.2mm x 2mm