Herbaceous, completely glabrous. Rhizome repent, only a small terminal sec-tion known, internodes very short. Leaves oblique or transverse, palminerved, strongly asymmetric, broadly ovate or elliptic, abruptly acuminate, shallowly cordate at base, to 24 cm. long, entire, petioles erect, 25 cm. long, stipules decid-uous, lanceolate, acute, 2 cm. long, entire, alate-carinate, membranaceous with fine inconspicuous nerves. Peduncle much exceeding the leaves, to 75 cm. long. Cymes dichotomous, strongly asymmetric, lax, many-flowered, 15 cm. long. Bracts deciduous, unknown. Pedicels 24 mm. long. Staminate tepals 4, entire, glandular-punctate, the outer broadly obovate, 7-9 mm. long, the inner very narrow. Stamens few on a low torus, filaments very short, anthers narrowly obovoid, 2.5 mm. long, connective scarcely if at all produced. Pistillate flowers unknown. Capsule ovoid or ellipsoid, 8-10 mm. long, wings very unequal, the largest 26 mm. wide, styles deciduous, placentae bifid, ovuliferous throughout, seeds stalked, ellipsoid.
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