Stems up to c. 1.3 cm ø, sparsely pubescent when young. Leaves with petioles pubescent to subglabrous, 4-10 cm; lamina ovate to narrowly ovate with base truncate to cordate, or sagittate, apex mostly long-acuminate, 8-15 by 3-9 cm, margin entire or repand-denticulate, upper surface subglabrous, lower surface lightly pubescent with prominent fine reticulation. Inflorescences axillary, a raceme or panicle of cymes, very slender with delicate ultimate branching, 9-20 cm long, shortly pubescent. Male flowers on pedicels c. 1 mm: sepals greenish white, equal, elliptic to obovate, 2 mm long, glabrous; petals broadly obovate-cuneate, 0.5 mm long; synandrium 1 mm long, anthers with transverse slits. Female flowers not seen. Drupes drying spinulate-muricate with conspicuous apical keel, 7-8 mm long, glabrous on puberulous pedicels c. 5 mm; endocarp 7 by 6 mm, rotund in outline (excluding apical keel), dorsally bearing a median double row of short spines which lead into a prominent apical keel, rest of dorsal surface bearing short spines with the surface between them rather rough, ventral cavity bordered by radial incurved spines surrounding a central aperture.
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