Succulent herb to 9 mn. high. Stem scandent, rooting at the nodes, glabrous. Leaves nearly symmetrical, broadly ovate, 4-15 cm. long, short-acuminate, rounded or barely cordate at base, sparsely serrate and ciliate to entire, often undulate, glabrous, petioles 1-8 cm. long, stipules persistent, ovate-oblong, mucronate, entire, 10-24 mm. long, membranaceous, red-brown. Peduncles axillary, 6-20 cm. long. Cymes many-flowered, diffuse. Bracts persistent, minute. Pedicels slender, 6-16 mm. long. Staminate tepals 4, white, the outer broadly obovate, 3-8 mm. long, the inner narrowly elliptic. Stamens free, few, anthers oblong. Pistillate tepals 5, 4-6 mm. long. Styles 3, 2-parted, completely covered by stigmatic papillae, pla-centae simple. Capsule 6-9 mm. long, largest wing oblong to triangular, 10-14 mm. wide, the other two marginiform, very narrow.
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A climbing herb. It can grow 1 m tall. The leaves are simple and alternate. They are heart shaped with teeth along the edge. The flowers are white.
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