Rootstock producing cluster of long, succulent, cylindric roots. Stems perennial (?), twining up to ±2m high, 5 mm thick, fleshy, glabrous, slightly verrucose. Leaves fleshy, glabrous; petiole up to 6 mm long; blade ovate-lanceolate to cordate-ovate, 20-50 x 12-25 mm, sometimes cuspidate-acute. Flowers 2-4 in pedunculate cymes, developed in succession; peduncle up to 10 mm long; pedicels up to 10 mm long. Sepals linear-oblong, acute, 6-7 mm long. Corolla 40-70 mm long; tube 25-50 mm long, with oblong basal inflation ±6 mm diam., narrowed and usually somewhat curved above inflation, then expanded towards the funnel-shaped mouth to 15-25 mm diam., with few hairs near base within, light green on inflation, striped with green and white above; lobes united above and opening into a 5-keeled, flattish or umbrella-like canopy 25-50 mm diam., apiculate from centre, supported by 5 broad bases with wide openings between; margin of canopy with long white to purple vibratile hairs. Corona basin-shaped, 1 mm deep, ciliate with white hairs; inner lobes arising from within basin, incumbent-erect, linear-filiform, 3 mm long. Follicles spreading horizontally, 75-130 mm long, 7-8 mm thick, irregularly rugose and tuberculate, purplish-tinted. Fig. 9: 4.