Erect annual to 1 m high. Leaves with slender petiole, thin, narrowly ovate to ovate or rarely hastate, entire or coarsely toothed, glabrescent above, mealy below when young; lamina 2–10 cm long. Inflorescence a terminal panicle with slender densely flowered branches; axis villous with tubular hairs. Flowers bisexual, sessile, spherical, c. 1 mm diam. Perianth almost glabrous, 5-lobed, the lobes imbricate, broadly elliptic to circular, yellow-green, ciliate. Stamens 5; disc absent. Pericarp membranous, papillate, adherent. Seed horizontal, lenticular, c. 1 mm diam., rounded on margin; testa minutely puncticulate.
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