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Leaves opposite, petiolate; lamina 4.5–14.5 × 3–7(8) cm, usually up to 2.5 times longer than wide and widest in the upper one third, broadly obovate or oblong-obovate to elliptic, the lowermost smaller and suborbicular, rounded or obtuse and shortly apiculate or acuminate at the apex, rounded or somewhat narrowed at the base, usually entire or less often undulate-crenate, coriaceous, sparsely hispid above with scattered hairs, more densely so on the nervation beneath; nervation impressed above and ± strongly raised beneath; petiole 0.5–2.4(2.9) cm long, with indumentum similar to that on the branches.
Inflorescence terminal, subglobose, up to c. 4.5 cm in diameter (measurement excluding the corollas), sometimes with shortly pedunculate cymes in the axils of upper leaves and then the inflorescence subspicate up to 5.5 × 3 cm; bracts green to purplish, ovate to lanceolate, acuminate and apiculate at the apex, ± hairy or glabrous on the back, ± ciliate at the margins.
Corolla usually white, or sometimes creamy-white, whitish-green or creamy-pinkish, scented; tube 8.5–13.5(14) cm long (usually more than 10 cm long), glabrous or ± glandular hairy and with sessile glands; lobes up to 17 × 8 mm, oblong, obtuse; terminal part of the bud 11–21 × 9–11 mm, obovoid; style and stamens exserted for c. 3.5 cm; anthers 2.5–3.5 mm long, brown.
Calyx (15)19–25(28) mm long, hairy or villous on the oblong-obconical tube; lobes pale green or green at the base and purplish upwards, all similar, (12)16–21 × 7–9(10) mm, elliptic lanceolate, ± attenuate towards the acute apex, somewhat thick, ± conspicuously reticulate, ± glabrous, densely to sparsely ciliolate.
A bushy suffrutex with ± stout stems to c. 1 m tall from a woody rootstock, or a scandent shrub to c. 2(3) m; stems erect, cylindrical, simple or ± branched with internodes usually shorter than the leaves; younger part of the stems and branches shaggy with yellowish-brown hairs.
Fruit c. 10 mm long, black, shining.
