Herbs annual. Stems erect or decumbent, 10-25 cm tall, slender, slightly angulate, branched at base. Petiole 5-10 mm; leaf blade ovate or narrowly ovate, 1-2 × 0.5-1 cm, papery, both surfaces pilose or nearly glabrous, base subtruncate, margin entire, sparsely ciliate, apex acute; ocrea brown, tubular, membranous, lax, pilose, dehiscent at apex, not ciliate. Inflorescence terminal or axillary, capitate, 5-6 mm in diam.; bracts narrowly ovate, membranous. Perianth white or greenish, 5-parted; tepals obovate or elliptic, ca. 1.5 mm. Stamens 8, included; anthers blue. Styles 3, very short; stigmas capitate. Achenes slightly exceeding persistent perianth, brown, dull, ovoid, trigonous, ca. 2 mm. Fl. Jul-Sep, fr. Aug-Oct.
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