Stems erect to ascending, much-branched, 1.2-3.5 dm, glabrous to sparsely farinose. Leaves non-aromatic; petiole 0.2-1 cm; blade rhombic-ovate to elliptic or oblong, 3-veined, 0.5-2 × 0.3-1 cm, base cuneate, margins entire or occasionally with few teeth or lobes, apex rounded or obtuse, sparsely farinose. Inflorescences glomerules in terminal panicles, 5-29 × 8-27 cm; glomerules small, maturing mixed; bracts linear. Flowers: perianth segments 5, distinct nearly to base; lobes ovate to oblong, slightly keeled, 0.6-0.7 × 0.3-0.5 mm, apex acute to obtuse, glabrous, irregularly covering fruit at maturity; stamens 5; stigmas 2, 0.2 mm. Achenes ovoid; pericarp adherent, warty, smooth. Seeds 0.7-0.8 × 0.4-0.5 mm, margins rounded; seed coat black, smooth.
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