Erect shrub or small tree, frequently with finally pendulous branches, 3-6 m tall, non-sprouting. Branchlets glabrous by flowering. Leaves narrowly obovate-elliptic, 7-21 cm long (including petiole 1-2 cm long), 6-29 mm wide, narrowly attenuate at base, bluntly acute, olive-green, quickly glabrescent; longitudinal veins 3-7; secondary veins sometimes visible. Inflorescence axillary with 120-190 flowers; pedicels 5.5-9.5 mm long, glabrous. Perianth deep pinkish red. Pistil 14-19.5 mm long, cream-white, rarely deep pink-red; gland a V-shaped flap, 0.6-1.2 mm high. Fruit 1-10 per axil, ±obliquely ovate-elliptic, 2.2-3.8 cm long, 1.6-2.2 cm wide, sometimes curved at base, shortly beaked, flanged adaxially. Seed ovate, 15-24 mm long; wing extending broadly down both sides of body and narrowly around base, blackish brown to black.
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