A very large climbing. Leaves ovate or cordate, glabrous above, white tomentosebeneath, long stalked. Flowers in cymes, bracts large, thin. Calyx white, tomentoseoutside; corolla funnel shaped, silky pubescent outside, tube somewhat inflated, rose-purple. Seeds two, enclosed in a stone, pale yellow-brown, apiculate, indehiscentberry. (India)