Glabrous. Leaves opposite; lamina elliptic, 5-7 by 3.5-5 cm, cuneate to shortly attenuate at the base to a winged petiole 4-7 mm long, rounded or obtuse at the apex, red above, pale green-brown below, dull on both sides; venation pinnate, obscure except for the dark brown midrib raised below. Inflorescences few in hollows at the nodes, arising through a periderm layer which remains as a basal involucre, a raceme of 2 (rarely 3) pairs of triads with the central flowers sessile and the lateral flowers shortly pedicellate; axis 3-4 mm long; peduncles of the triads c. 2 mm long; pedicels of the lateral flowers up to 0.5 mm long. Flowers unknown.
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