Glabrous. Leaves opposite; lamina almost orbicular, 9-12 by 8-10 cm, cordate at the base, sessile, rounded at the apex, dull on both sides; venation pinnate with the midrib and the incurved main laterals distinct on both sides. Inflorescences at the nodes, pedunculate 3-or 4-rayed umbels of triads with all flowers sessile; peduncle c. 5 mm long; rays 6 mm long. Corolla in mature bud 6-merous, probably 24-27 mm long, not seen mature. Anther not seen mature, shorter than the free part of the filament.
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