Woody climber up to 15 m or more high. Branchlets densely puberulous at first, later glabrescent. Leaves: petioles 2-5 cm, puberulous; lamina ovate to elliptic-ovate, 10-26 by 5-16 cm, apex acute with long mucronate acumen, base cunate to rounded, 5-nerved; lateral nerves 2-3 pairs, sparsely to moderately puberulous and very finely reticulate on both surfaces; papyraceous. Inflorescences cymose, few flowered, 0.75-1.5 cm long, puberulous. Male flowers cream on pedicels 1-2 mm; sepals 6 or 9, tomentose, outer 3 or 6 minute up to 0.75 mm long, inner 3 elliptic, 2 by 1.25 mm; petals 6, tomentose, broadly elliptic, 1 mm long; stamens 6, sublinear, glabrous, 1.5 mm; rudimentary carpels 3. Female flowers (from RAMOS & EDANO 49144): sepals and petals larger than in male; carpels 3, obliquely subellipsoid, 2 mm long, style elongate, grooved, staminodes 6, linear, 1 mm. Drupes unknown.
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