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Leaf blades 2.3–10.5 × 0.8–3(4.4) cm, oblanceolate, narrowly obovate or elliptic, obtuse or acute to subacuminate and mucronulate at the apex, cuneate at the base, subcoriaceous, glabrous on both surfaces or sometimes sparsely pubescent especially on the nerves beneath, occasionally revolute; lateral nerves in 4 main pairs; domatia absent; bacterial nodules dot-like to linear, along the midrib and lateral nerves and scattered; petiole 0.5–1.3(2) cm long, glabrous or sparsely pubescent; stipule limbs brownish, subtruncate, 1.5–2 mm long, sparsely pubescent or glabrous outside; arista up to 1.5 mm long.
Inflorescences subumbellate, ± compact, 1.5–3 cm across (excluding corollas); primary inflorescence branches 1–6 mm long, glabrous or pubescent; secondary branches present or absent; pedicels 3–6 mm long, glabrous or pubescent; bracts 2–5 mm long, papery with silky hairs inside; bracteoles minute.
Calyx tube 0.75–1 mm long, glabrous to sparsely pubescent; limb-tube 0.25(1) mm long; lobes (1.5)2–2.25(3) × 0.5–1 mm, usually lanceolate-linear, lanceolate or sometimes narrowly triangular, acuminate, glabrous, ciliate or sparsely pubescent, reflexing in young fruit.
Inflorescence-supporting branches short, 2–8 cm long, slender, bearing 1–4 pairs of leaves near the apex or well spaced; occasionally inflorescences borne on the main branches.
Corolla tube 0.9–1.1 cm long, 1–1.25 mm wide at the top, glabrous outside, not bearded at the throat; lobes 3–4.5 × 1.25–1.75 mm, narrowly oblong to oblong, acuminate.
Shrub or small tree 1.8–3 m tall; young branches glabrous or pubescent, older branches with greyish-buff bark.
Fruit black, 6–8 mm in diameter, shiny, the calyx limb persistent.
Seed blackish, 4.5 mm wide, very finely rugulose on convex face.
