Twining, spineless scrambler, up to 450 mm long, rhizome thin, covered with cylindrical, overlapping, pointed, woody tubers. Cladodes solitary, ovate to heart-shaped, many-veined. Flowers nodding, 1-3 in axils, tepals cohering below, filaments perpendicular.
Scandent to erect shrublet to 45 cm. Cladodes ovate to heart-shaped, many-veined. Flowers nodding, 1-3 in axils, tepals fused below, filaments straight, styles 3.