Perennial twining herb with glabrous stems or with indumentum. Leaves to 160mm x 70mm, glabrous above, puberulent beneath. 2-4 flowered racemes with bracts to 0.4mm x 0.2mm, calyx tube to 0.1mm long with green lobes with purple margins to 7.9mm x 1.7mm, hairy outside, glabrous within. Hairy deep purple-black corolla, tube to 2.2mm long, 5 lobes to 12.5mm x 6.4mm. Fleshy purple corona.