Sprawling shrub or undershrub 1–3 m. tall, with slender branches, glabrous, soon covered with ridged pale grey-brown corky bark.. Leaf-blades narrowly elliptic to narrowly elliptic-obovate, 2–10(–18) cm. long, 0.6–3.3(–6) cm. wide, acuminate at the apex, cuneate at the base, glabrous, ± discolorous when dry; petiole 0.1–1 cm. long; stipule-base 1.5 mm. long, glabrous with 2 close obscure median cusps 1 mm. long.. Inflorescences lax, glabrous, ± 20-flowered; peduncle 2.7–5 cm. long; secondary branches 1.5–3.5 cm. long; pedicels 1–3.5(–7) mm. long; bracts acuminate, up to 3 mm. long.. Calyx-tube glabrous or finely puberulous, oblong, 0.8–1 mm. long; limb-tube 0.2–0.5 mm. long; lobes triangular, 0.3–0.5 mm. long.. Corolla white, pinkish white or mauve or white marked with purplish, glabrous; tube narrowly funnel-shaped, 0.5–1.8 cm. long; lobes narrowly triangular, 1.5–4 mm. long, 1.5–2 mm. wide.. Disc 1 mm. tall, rather conspicuous.. Filament-tips just exserted or just included in short-styled flowers, 1–2 mm. below the throat in long-styled flowers.. Style up to 7 mm. long in short-styled flowers, with stigma-lobes filiform, 2.5 mm. long; exserted ± 1–1.5 mm. in long-styled flowers, with stigma-lobes 1.5–2 mm. long.. Fruit dark mauve, ellipsoid or fusiform-ellipsoid, 7–8(–11 in spirit) mm. long, 3.5–5.5(–8 in spirit) mm. wide; pyrenes oblong, 6 mm. long, 3.5 mm. wide, 2 mm. thick, splitting down the median dorsal ridge and around the margin, the rugose surface often showing through the epicarp of the dry fruit.