Plant spreading, glabrous or rarely the inflorescence with sparse white indumentum; epicortical runners present or absent. Leaves opposite, ovate to orbicular, rounded at apex; lamina 3-5 cm long, 3-4 cm wide, cordate at base, sessile, isobilateral, leathery; venation usually obscure except midrib. Inflorescence axis 8-20 mm long, bearing 6-12 flowers; pedicels usually 2-5 mm long; bracts 1-1.5 mm long, acute or obtuse. Calyx entire or irregularly split, 1 mm long. Corolla in mature bud 28-40 mm long, usually yellow. Anthers 4-7 mm long, usually slightly longer than free part of filament. Fruit ovoid to ellipsoidal, 10-12 mm long, yellow to red.