Glabrous. Leaves opposite; lamina ovate, 4-5.5 by c. 2 cm, almost truncate at the base to a petiole 1-2 mm long, acuminate and acute at the apex, glossy above, dull below; venation pinnate with the midrib distinct above and raised below and the main laterals distinct above and obscure below. Inflorescencess at the nodes, a raceme of 3 or 4 well-spaced opposite pairs of flowers; axis 10-15 mm long; pedicels 1-2.5 mm long. Corolla in mature bud 6-merous, c. 7 mm long, widened upwards, 6-winged, pink; tube in the open flower c. 2.5 mm long with the lobes reflexed c. 2.5 mm higher. Anther c. 1 mm long, obtuse, slightly shorter than the free part of the filament.
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