Erect, usually sparingly branched, ±leafy shrub to 3.5 m high. Branches at first green, soon becoming grey-brown, sparsely to moderately pubescent with simple glandular hairs, these often denser at the nodes. Leaves borne singly or sometimes loosely clustered on short shoots, sessile, decreasing in size distally; lamina mostly narrowly elliptic to narrowly obovate (to ±linear in the very upper parts), with bluntly to angularly acute apex and entire margin, 11–45 mm long, 3–10 mm wide, (in juvenile leaves up to 55 × 13 mm), slightly thick, pubescent as branches above and below, the hairs mostly 0.05–0.2 mm long. Flowers in terminal or axillary monochasial cymes, borne at the most distal nodes, with 1 or 2 flowers at anthesis at any one time but each monocahsium eventually having borne 25–35 flowers; bracts narrowly elliptic, with acute apex, 2–4 mm long; pedicels 4–16 mm long. Calyx 3–5 mm long. Corolla 9–16 mm long, white (colour of striations not recorded); tube rim with a corona formed from 3 swellings below each lobe; lobes spreading to reclining, ovate, elliptic or oblong, obtuse, 4–9 mm long, lacking a tuft of hairs at the apex; margins ±flat. Stamens: longer pair 4–6 mm long, shorter pair 3.5–5 mm long. Capsule ellipsoid to ovoid, often slightly apiculate, 6–9 mm long. Seeds 37–76 in all, 1.4–2 mm long.
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