Herbaceous glabrous twining vine to 4m with puberulent or glabrous stems, terminal, lateral or axillary solitary flowers or inflorescence of 2-4 flowers or many-flowered umbels of 20mm red, white or pale red flowers, calyx tube to 1mm long, calyx with 4-8 lobes to 7mm x 1.3mm, red, pink, dark pink, scarlet or magenta puberulent corolla glabrous outside 20mm long, tube to 123mm x 2.5mm glabrate to densely puberulent outside with yellowish hairs in throat, 4-6 corolla lobes to 4mm x 4.5mm puberulent outside glabrous within, glabrous or pubescent fruit an 8-ribbed capsule to 10mm x 9mm+ with persistent calyx lobes, leaves usually glabrous or pubescent beneath or pilose above to 100mm x 50mm