Herbs annual, 10-30 cm tall, farinose throughout. Stem usually prostrate or obliquely spreading, much branched, sometimes branched only from base. Petiole slender, 0.4-1 cm; leaf blade gray-green, ovate to ovate-triangular, usually 0.5-1.5 × 0.4-1.2 cm, farinose on both surfaces, base broadly cuneate, margin entire or 3-lobed, apex subobtuse or acute; lateral lobes attached near base of leaf blade, apex obtuse. Glomerules forming short spikes on axillary branchlets. Perianth segments (4 or)5, obovate-linear to oblong, not keeled, abaxially densely farinose. Filaments slightly shorter than perianth; anthers broadly oblong. Style obscure; stigmas 2, filiform. Utricle depressed. Seed horizontal, rarely oblique, black, sublustrous, lenticular, sometimes depressed ovoid, 0.8-1.2 mm in diam., subsmooth or slightly pitted. Fl. and fr. Aug-Oct.
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