Liana or small shrub to 15m with lenticellate bark. Glabrous leaves to 75mm x 30mm. Inflorescence to 21.9mm on young wood with bracts to 30mm x 18.5mm, green to yellow calyx, sometimes pale orange to 8mm x 10mm with lobes to 4mm long, pale yellow to pale orange corolla to 33mm x 3mm becoming 14mm wide at mouth, lobes to 6.5mm x 8mm. Glabrous pale yellow fruit to 9mm x 5mm.