Small shrub (0.8–)1.3–2.1 m. tall; stems erect or rarely scrambling, glabrous or nearly so, the bark often peeling.. Leaf-blades linear-lanceolate to elliptic-lanceolate, 1–2.8 cm. long, 1–5 mm. wide, acute and mucronulate at the apex, narrower to the base, usually revolute, glabrescent to fairly densely scabrid with short hairs, the margins similarly with very short hairs, or sometimes the leaves with short pubescence beneath but ± glabrous above, 1-nerved; sessile on to the stipule-sheath which is 2–3 mm. long, fimbriae 2–3, narrowly deltoid to deltoid, up to 0.5 mm. long.. Pedicels 1–4 mm. long.. Calyx-tube 2–2.5 mm. long, glabrous to sparsely scabrid; lobes broadly linear, 0.25–1.1 cm. long, 1–1.2 mm. wide, acute, mostly ciliate with very short hairs.. Corolla white or tinged with purple on tube, with carnation-like scent; tube 2–3.7 cm. long; lobes (0.5–)1–1.5 cm. long, (1.5–)4–8 mm. wide, acute.. Anthers 1–2 mm. long in long-styled flowers, 2.1–3 mm. long in short-styled flowers.. Style 1.6–2.2 cm. long in short-styled flowers and 2.1–3 cm. long in long-styled flowers; stigma-lobes 2.2–7 mm. long.. Capsule 4.5–7 mm. long, 4–5 mm. wide, glabrous to sparsely very shortly puberulous, shiny inside.. Seeds elliptic, flat, 1.5 mm. long, 1 mm. wide.. Fig. 31, p. 247.