Small, glabrous, succulent climber, up to 300 mm tall, from flattened tubers, stems 1-3 mm diam. Leaves oblong to lanceolate, ± 20 x 5 mm, fleshy. Flowers 1-5, opening in succession, in sessile, extra-axillary clusters, pedicels 5-8 mm long. Corolla 25-30 mm long, green with purplish veins, tube 20-25 mm long, with ellipsoidal basal swelling, contracted above then expanding to ± 7 mm diam. at mouth, lobes 6-9 mm long, fused at tips. Corona whitish, outer lobes forming 5, low pockets between bases of inner lobes, inner lobes incumbent on backs of anthers then erect, 2 mm tall, dorsiventrally flattened.