Herbs annual. Stems ascending or decumbent, 10-30 cm tall, slender, angulate, branched, pilose or glabrous. Petiole 4-8 mm; leaf blade broadly ovate, 1-1.5 × 0.8-1 cm, papery, both surfaces pilose, base broadly cuneate or subtruncate, margin ciliate, apex obtuse; ocrea tubular, dehiscent, base densely pubescent. Inflorescence terminal or axillary, capitate; bracts ovate, membranous, each 1-flowered. Pedicel short. Perianth white or greenish, 4-parted, with glandular dots or not; tepals broadly elliptic, ca. 2 mm, unequal. Fertile stamens 2-8; anthers yellow. Styles 3, very short; stigmas capitate. Achenes included in persistent perianth, yellow-brown, slightly shiny, ovoid, trigonous, ca. 2 mm. Fl. Jun-Jul, fr. Aug-Sep.
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