Tree c. 6-8 m high, dbh c. 8 cm; bark light grey to brown. Indumentum patent, críspate. Branchlets hairy when young; flowering twigs 1.5-5 mm thick. Leaves 1-or 2-jugate; petioles 2.5-7 cm long; rachis 1.8-3.5 cm long, (hemi)terete, hairy; petiolules 4-9 mm long, 1-grooved. Leaflets opposite, slightly ovate to elliptic to slightly obovate, 9.3-21.6 by 3.8-7.2 cm, index 2.1-3.2, not falcate, chartaceous, punctate, upper surface glabrous, lower surface subglabrous to hairy especially on major nerves, colour slightly to distinctly different from above; base symmetric to slightly asymmetric, then acro-scopic side broader, slightly attenuate to acute; apex acute to acuminate (slightly retuse), very apex re-tuse to rounded to obtuse, not mucronulate; venation flat above, midrib slightly raised, concolor-ous with lamina, midrib reddish, venation raised below, nerves marginally indistinctly looped, veins scalariform, lax, distinct; domatia pockets to sacs opening in front. Inflorescences axillary to pseudoterminal, branching basally and along rachis; rachis terete to slightly flattened, 3-5 cm long, hairy when young; first-order branches up to 1.5-2 cm long; cymules monochasial, 1-or 2-flowered; bracts 0.3-0.9 mm long, bracteoles 0.2-0.4 mm long; pedicels 1.5-2 mm long, hairy. Flowers 2-2.5 mm in diameter. Calyx 1-1.5 mm high, deeply incised, outside hairy, inside (sub)glabrous, teeth equal, not punctate, margin not membranous, apex acute. Petals 5, elliptic, 1.5-1.8 by 0.8-1.2 mm, not punctate, claw 0.3-0.4 mm long, blade gradually de-current into claw, margin entire, pilose, apex obtuse to acute, outside rather densely pilose, inside subglabrous to pilose; scales 0.8-1.2 mm long, free, basally not auriculate, apex broadened, rather densely pilose. Disc subglabrous to pilose on rim. Stamens 8 or 9; filaments in female flower 0.8-1.4 mm long, densely pilose; anthers in female flower 1-1.5 mm long, incurved, densely pilose, connective not protruding. Ovary 2-locular, inside pilose on sutures; style and stigma elongating up to 3 mm in developing fruit, minutely 2-lobed, upper 2 mm stigmatic. Fruits not observed.
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