Shrub or small tree to 10 m high. Bark black, fissured and tessellated. Stems 6-angular. Stipules absent. Leaves linear, 1.5–20 mm long, 0.5–1.6 mm wide, eglandular. Involucres campanulate, 1.5–2.2 mm long, 2.2–3 mm diam.; lobes ovate-truncate, 0.7–1 mm long, 1.2–1.5 mm wide, entire, shorter than glands; glands ellipsoid-spherical, 1.4–1.8 mm long, 1.8–2 mm wide, clearly visible between lobes and inserted on involucre at same level as lobes. Male flowers in clusters of 4–9; anthers c. 0.5 mm long, 0.6–0.7 mm wide. Fruit ± globose, 4–4.5 mm long, 4–4.5 mm diam. Seeds oblong, 2.5–3 mm long, 1.8–2 mm wide.