Shrub, 5 m high. Branchlets thin, slender, 1-1.5 mm diameter. Leaves in whorls of 2 or 3, papyraceous when dried; blades obovate, 5.5-10 by 3-4.4 cm, ratio 1.8-2.8, base decurrent onto petiole, margin entire, apex acute or acuminate; secondary veins 20-24 pairs, straight to rather arcuate ascending near the margin, not reaching the margin, joining, forming a submarginal vein; tertiary veins not prominent. Inflorescence terminal cymes; peduncle 3.5-6 cm long, winged; wing very narrow, 1-1.5 mm wide, occurs on opposite sides along the length of peduncle, leaf-like. Sepals ovate, margin entire, apex rounded, erect, thick except along the margin, rough outside, smooth inside. Corolla villose inside, rather dense, forming a belt of 1 mm wide just around the insertion of stamens; tube 3.9-4 mm long, tube-calyx ratio 2-2.2, tube-lobes ratio 1.2-1.3. Stamens inserted at 2 mm below the mouth, 0.5 of the length of the corolla tube; filaments 0.4-0.5 mm long. Pistil 3.1 mm long; ovary subglobose, gradually narrowed at apex towards base of style; style 1.4 mm long, thick, split at base. Fruit apocarpous, composed of 2 separate small mericarps; mericarps ellipsoid, 1.2-1.4 by 0.6-1 cm, apiculate at the apex, acumen very short; endocarps massive, hard, surrounding 2 lateral spongy cavities which are occupying the whole space at either side of the seed chamber.
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Shrub or small tree to 5 m high. Leaves opposite or 3-whorled; petiole 4–13 mm long; lamina elliptic-obovate to lanceolate-elliptic, to 13 cm long, to 4.2 cm wide, cuneate, acute to shortly acuminate, discolorous, dark matt-green above, pale brown-green below; secondary veins 20–25 each side of midrib, ±obscure above; tertiary venation reticulate, ±obscure above. Flowers 12–13 mm long, 15–17 mm diam.; pedicels 1–1.5 mm long. Corolla cream; tube 10–11 mm long, 1.5–2 mm diam.; lobes lanceolate, 7.5–8 mm long, c. 2 mm wide. Stamens inserted 2.8–3 mm from top of tube. Fruit ellipsoidal, 12–15 mm long, 6–10 mm wide, glossy red.
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