Shrub or small tree; branches pendulous, pubescent to hairy but finally glabrescent, covered with a blackish lenticellate bark.. Leaf-blades oblong or ovate-elliptic, 2.2–8.5 cm. long, 0.8–4.4 cm. wide, acute or ± acuminate at the apex, rounded to cuneate at the base, very discolourous, often somewhat bullate, green above and with a few sparse hairs, grey beneath and velutinous with interwoven hairs; petiole 3–4 mm. long; stipules black with a median pale part, bilobed, up to 8(–11) mm. long, the lobes linear-lanceolate, 3–5 mm. long.. Flowers 1–3 in terminal inflorescences.. Calyx-tube campanulate, 5 mm. long, 4 mm. wide, densely pilose; lobes leafy, unequal, probably ± reflexed in life, 4 ovate-elliptic, 1.2–1.4 cm. long, 6–7.5 mm. wide, acute at the apex, clawed at the base, the claw 3–5 mm. long, 2 mm. wide, channelled and pilose, and one 3 mm. long and 2 mm. wide.. Corolla white, ± salver-shaped, adpressed pilose; tube (1.2–)2–2.5 cm. long, 2 mm. wide at the base, 5 mm. wide at the apex; lobes narrowly ovate-lanceolate, 2.2–3 cm. long, 0.7–1.2 cm. wide, aristate, sericeous pilose outside, puberulous inside.. Anthers inserted just below the throat in short-styled flowers, 5–6 mm. below in long-styled flowers.. Style 5.7 mm. long in short-styled flowers, the stigma-lobes 6 mm. long; stigma-lobes 4 mm. long in long-styled flowers, the tips just exserted at the throat.. Fruit broadly ovoid, 1.2 cm. long, 9 mm. wide, densely pilose and with short pubescence, crowned by the leafy calyx-lobes.