Plant erect or spreading, glabrous or the inflorescence shortly brown-or white-tomentose; epicortical runners present. Leaves broadly lanceolate to ovate, acuminate or obtuse; lamina 6-30 cm long, 3-13 cm wide, contracted at base into petiole 5-18 mm long. Inflorescence a pedunculate 2-flowered umbel; peduncle slender, 3-8 mm long; rays of umbel 2-6 mm long; bracts nearly orbicular, 1-2 mm long, spreading. Calyx entire to toothed, 0.2-2 mm long. Corolla in mature bud 30-65 mm long, 5-merous, thin, inflated, acute or obtuse, red or yellow. Anthers 5-7 mm long, nearly equal to free part of filament. Fruit pear-shaped to almost globose, 10-12 mm long, constricted at apex.