Tall woody climber, up to 40 m, stem c. 1.5 cm ø covered with thin longitudinally striate and finely fissured brown bark which bears a few transverse linear lenticels; branchlets and petioles with a short fawn tomentum. Leaves oblong-obovate, apex abruptly (c. 1.5 cm) acuminate, acutish, base broadly cuneate and shallowly cordate, charta-ceous to subcoriaceous, glabrous except the nerves which are hairy in their basal part above, ± densely set with short subappressed or more spreading pale rusty hairs especially on nerves and veins and soft to the touch beneath, edge slightly sinuate-denticulate, or entire, 18-32 by 7-20 cm, nerves flat above, much prominent beneath as is the rather coarse reticulation of veins and veinlets, nerves 2 basal pairs, the outer pair short, the inner one rather straight-ascending to the middle of the lamina, upper c. 4 pairs from the midrib also rather steeply curved-ascendent; petiole 1.5-3 cm by 2-4 mm. ♂ Racemes from tubercles of the stem or from slightly above foliate or defoliate axils, all over fawny, tomentose, peduncled (1 cm) heads (5-10, c. 5 mm ø), these laxly arranged along the 6-12 cm long rachis. Calyx segments 5, linear spathulate, long-haired, 2 mm. Petals 4, linear-oblanceolate, free to almost the base, long-haired dorsally, 2.5 mm. Stamens 4; anther cells 0.4 mm. ♀ Racemes from c. 1 cm above defoliate axils, with about 5 laxly arranged heads, fulvous-hirsute at peduncles and the c. 4 cm long rachis. Flower heads globose, c. 5 mm ø, on thick peduncles 1.5-2 cm. Calyx segments and petals as in ♂ flowers. Ovary cylindric, hirsute, c. 2 mm. Developed ovary or immature drupe (c. 1 cm long) densely covered with short and shortly hirsute emergences in the upper, and longer and longish-hirsute ones in the lower half. Mature drupe arranged to a globose head of c. 8 cm ø, each drupe showing the same shorter and longer emergences of the exocarp as already found in the very young state, subelliptic-oblongoid, attenuate at both ends, 4-5 by 2-3 cm; endocarp oblongoid-ellipsoid, obtuse at both ends, much compressed laterally, smooth, with numerous almost linear rather deep pits, which appear on the inner side as flat warts, c. 3 by 1.5 by 1.3 cm.
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