Shrubs deciduous, 0.5-1 m tall. Branches slender, densely sericeous. Leaves alternate; petiole 1-2 mm, densely sericeous; leaf blade oblong or oblong-lanceolate, 1-2.8 × 0.5-1.6 cm, membranous or thinly papery, both surfaces sericeous when young, glabrescent, base broadly cuneate or rounded, margin rarely slightly revolute, apex obtuse; lateral veins 4-7 pairs. Inflorescences terminal, usually 3-5-flowered; peduncle 0.5-1 mm, densely sericeous; bracts absent. Pedicel absent. Calyx yellow; tube slender, broader in upper part near throat, 8-10 mm, exterior densely sericeous; lobes 4, oblong, rarely subovate, 2-3 × 1.2-2 mm, sparsely sericeous, margin irregularly incised, apex obtuse or truncate. Stamens 8, lower whorl inserted just above middle of calyx tube, upper whorl in throat; filaments very short; anthers oblong, ca. 1.1 mm. Disk ± square, lateral to ovary. Ovary clavate or obovoid, ca. 2 mm, stipitate, densely sericeous; style short; stigma capitate, papillose. Fruit not seen. Fl. Jun.