Biennial glabrous slender twiner or prostrate herb with pilose stems with mucronulate fleshy mostly glabrous leaves to 100mm x 75mm, sometimes 3-lobed, axillary inflorescences with minute bracts to 2mm long, solitary scented 50mm long white or purple-pink flowers darker inside near base, outer sepals to 10mm long , inner ones to 12mm long all mucronulate, glabrous corolla to 45mm long, capsule to 12mm diameter