Tuberous liana with glabrous stems. Leaves to 150mm x 35mm, glabrous above, strigillose on nerves beneath, bracts to 20mm long. Umbels with bractlets to 10mm long. Green-tipped red puberulent sepals to 20mm long with horn just below apex to 7mm long. Outer sepals red tipped green, petals yellow with purple spots to 20mm x 8mm, fruit purple