Shrub, up to 2 m high. Branchlets slightly rough, reddish black to brownish black; flowering twigs c. 6 mm thick. Leaves 2-4-jugate, rarely with one subterminal leaflet; petiole 4-10 cm long; rachis 3-20 cm long; petiole and rachis terete to flattened above, slightly ribbed, glabrous; petiolules 1.5-2 cm long, flattened to slightly grooved, glabrous; pulvinus 5-7 mm long, grooved, bulbously thickened, glabrous. Leaflets opposite, rarely suboppo-site, ovate to elliptic, 13-24 by 6.5-9.5 cm, index 2.1-3, ± coriaceous, both sides glabrous; base symmetric, sometimes slightly oblique, usually abruptly narrowing, attenuate; margin not to slightly recurved; apex acuminate; midrib prominent, ribbed, lateral nerves 1.5-3 cm apart, basally indistinctly, apically distinctly looped, intercalated veins curved towards the base, veins laxly reticulate. Inflorescences, flowers and fruits not observed.
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