Shrub 1–6 m. tall; stems pale, glabrous.. Leaf-blades oblong or narrowly obovate, 10–25 cm. long, 3–9.5 cm. wide, subacute or shortly obtusely acuminate at the apex, narrowly and sometimes unequally cuneate at the base, ± coriaceous, glabrous, paler and minutely pitted beneath; lateral nerves 9–11 on each side; petioles 1–2.5 cm. long; stipules ovate-triangular, 3–4 mm. long, obtuse.. Flowers numerous, in dense sessile axillary glomerules in leaf-axils and also on older leafless parts of the stem.. Calyx whitish, ± pubescent; tube depressed subglobose, 1.4 mm. long; limb-tube 1.6 mm. long; lobes 3, squarish or triangular, 0.5–1 mm. long, 1–2 mm. wide, emarginate or rounded, glabrous or slightly puberulous.. Corolla waxy, whitish, pink, violet or lilac; tube cylindrical, slightly curved, 1.2–1.4 cm. long, 3 mm. wide at the throat, glabrescent outside, hairy inside; lobes 6, linear-lanceolate, 4 mm. long, acute at the apex, glabrescent outside, slightly hairy inside.. Stamens 6, slightly exserted.. Ovary 5–6-locular; style 1.2 cm. long, exserted ± 3 mm.; stigma-lobes 6.. Immature fruit (spirit, Drummond & Hemsley 1719) ellipsoid, 6 mm. tall, 4.2 mm. wide. Fruit (from Paulo 223) blue, depressed subglobose, 5 mm. tall, 6 mm. wide, strongly grooved between the pyrenes in the dried state. Pyrenes orange-brown, shaped like a bird’s head, dorsally rounded, ventrally angularly excavated, basally beaked, 3.8 mm. long, 3 mm. wide, 1.8 mm. thick, with a median dorsal groove and some lateral grooves, rugose.