Small tree or shrub, 2(-4) m high. Leaves obovate, oblanceolate to broadly elliptic, apex acute, obtuse or rounded, glabrous to glabrescent, petiolate, bacterial nodules dot-shaped, scattered. Inflorescence branches and pedicels always glabrous. Calyx limb truncate or with short triangular lobes, 0.50-1.25 mm long. Corolla tube 4-15 mm long. Flowers white or cream.