Glabrous twiner to 3m. Glabrous leaves to 110mm x 60mm. Pubescent umbel to 200mm long with 5 bracts to 19mm x 2.5mm, yellowish calyx to 0.5mm long, 3 outer tepals to 46mm x 5mm, dark orange to red-orange outside, green to blackish tepals 1.5mm long, orange-yellow inner tepals to 49mm x 1.7mm.