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Leaves subsessile or petiolate; crowded on short spurs off the main stem or occasionally borne directly along young branches; blades occasionally turning black when dry, 1–5.3 × 0.3–1.8 cm, narrowly elliptic to oblanceolate, acute to obtuse or sometimes rounded, rarely subacuminate at the apex, narrowly cuneate at the base, glabrous, scabrid or sparsely pubescent above, pubescent or glabrous beneath; lateral nerves in 4–5 main pairs; domatia absent or with just a few hairs in the axils; bacterial nodules dot-like, scattered; petiole 0–4 mm long, pubescent; stipule limbs 1–2 mm long, truncate, membranous with a few hairs outside; arista 0.75–1 mm long.
Dwarf shrub or small tree, up to 3 m high. Leaves small, sessile to petiolate, narrowly elliptic, elliptic or narrowly obovate, hairy or glabrous. Domatia absent from lower leaf surface. Bacterial nodules round or slightly elongated, scattered over leaf surface. Inflorescences at ends of stout, leafless, side branchlets; few-to many-flowered, branched, umbrella-like cymes, subtended by 2 deciduous leaves. Flowers: corolla tube up to 20 mm long; lobes 7 mm long. Calyx: tube urceolate, lobes linear, ± 5.5 mm long, cymbiform with sharp point. Flowering time Oct.-Feb. Fruit round, up to 8 mm in diam., crowned with persistent calyx.
Prostrate or upright shrub to 3 m. Leaves opposite (or tightly clustered on short side branchlets), small, narrowly elliptic, finely hairy or hairless, nodules circular & scattered over the leaf blade, domatia usually absent. Stalks short. Flowers white, calyx lobes fine, 2.5-8 x 0.5 mm, corolla tube 12-20 mm. Fruit black, persistent calyx at tip, to 7 mm diam.
Shrub, 0.3-3.0 m high. Leaves narrowly elliptic to elliptic, apex acute to obtuse, glabrous or pubescent, subsessile, bacterial nodules dot-shaped and scattered. Calyx lobes filiform to linear, 2.5-6.0 mm long. Corolla tube 12-20 mm long. Flowers white.
Inflorescences ± subumbellate, 1.2–2.3 cm across (excluding the corollas); primary inflorescence branches 0–1(2) mm long; pedicels 1–6 mm long, glabrous to pubescent; bracts 1.5–4 mm long, with silky hairs inside; bracteoles sometimes present.
Calyx tube 0.5–1 mm long, glabrous to pubescent; limb-tube 0.5–1 mm long, glabrous to sparsely pubescent; lobes ± filiform to linear, 2.5–6 mm long, glabrous or more often ciliate to sparsely pubescent.
Corolla glabrous or sparsely pubescent outside; tube 1.2–2 cm long, c. 1 mm wide at the top, glabrous or sometimes sparsely pubescent outside, not bearded at the throat; lobes 4–7 × 1.5–2 mm, apiculate.
Inflorescence-supporting branches 0.2–5(10) cm long, slender, 0.5–1 mm wide, leafless or less often with 1(2) pairs of immature leaves below the inflorescence.
Shrub 0.3–4 m tall; young branches pubescent or glabrescent, slender; older branches covered with whitish-grey bark.
Fruit drying black, 8 mm in diameter, crowned by a persistent calyx limb.
Mature seeds not known.
