Herbaceous. Rhizome slender with short internodes but also producing very slender stolons, with internodes 5-8 cm. long, setose-pilose. Leaves asymmetric, straight or oftener strongly oblique, broadly ovate, abruptly acuminate, cordate at base, 6-16 cm. long, thin, finely sinuate-dentate, ciliate, sparsely setose-pilose on both sides, paler beneath, petioles slender, 5-16 cm. long, reflexed-setose, stipules narrowly lanceolate, 9 mm. long, entire, thin, pilose. Peduncles shorter or longer than the leaves, slender, pilose. Cymes few-flowered, pilose. Bracts subpersistent, ovate or elliptic, obtuse, 3-5 mm. long, entire. Pedicels to 18 mm. long. Sta-minate tepals 4, entire, white, the outer broadly ovate, obtuse, 6-12 mm. long, sparsely pilose, the inner narrowly oblanceolate, shorter, glabrous. Stamens on a low torus, numerous, anthers obovate, somewhat shorter than the filaments, con-nective not produced. Pistillate bracteoles apparently wanting. Pistillate tepals 3, otherwise like the staminate. Ovary 3-celled, pilose, styles slightly connate at base, the stigmatic surface lunate. Capsule sharply reflexed, ellipsoid, 7 mm. long, wings very unequal, the largest reflexed from the lower half of the capsule, oblong, obtuse, 5 mm. wide, the others narrowly lunate.
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