The stems trailing and rooting at the nodes, glabrous. Leaves often secund, ovate, obovate, elliptic, orbicular or transverse-elliptic to reniform, 3-10 cm long, basally tru ncate, attenuate or cordate, apically deeply emarginate, mucronulate, fleshy, glabrous. Flowers usually solitary, occasionally cymose. Sepals subequal or the outer shorter, the outer ovate to broadly elliptic, the inner mostly suborbicular, 5-11 mm long, obtuse, subcoriaceous. Corolla limb pink to lavender-purple, 5-6 cm long. Fruit capsular, ovoid to depressed-globose, 12-17 mm long. Seeds black, densely short brownish-tomentose.