Lower parts unknown. Stem terete, unarmed at least in the upper parts. Leaves subcordately ovate to narrowly ovate, acuminate, the largest seen 11 by 6 cm, but larger are to be expected and these will be more cordate, 7-nerved; petiole rather short, approximately ⅓ the length of the blade. Male plant unknown. Female flowers on decurved branches to 30 cm long. Tepals ovate. Capsules spaced so that they scarcely imbricate; wings broader than semicircular and widest in the upper third, to 22 by 22 mm; the capsule truncate above and drawn out into the stipe below. Seeds with a pale brown wing.
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