Sprawling woody herbaceous vine with hexagonal puberulent stems. Glabrous leaves to 160mm x 80mm. Terminal & axillary inflorescence to 80mm long, twisted purple flowers with bracts to 15mm x 3.5mm & bractlets to 9mm x 2.25mm, glabrous calyx 9mm long with segments to 6mm x 2mm, purple pubescent corolla to 15mm long enlarging to 10mm diameter & reduce to 7mm at mouth.