Herbs perennial. Stems erect, 30-40 cm tall, branched from base. Petiole very short; leaf blade lanceolate or broadly lanceolate, 3-5(-7) × 0.7-1.5 cm, on both surfaces or abaxially strigose, base broadly cuneate, margin entire, ciliate, apex acute; ocrea tubular, membranous, pilose or glabrous. Inflorescence paniculate, spreading, lax; bracts ovate, pubescent or glabrous, each 1-or 2-flowered. Pedicel 2-2.5 mm, apex articulate. Perianth white or pinkish, 5-parted; tepals elliptic, 2.5-3 mm. Stamens 8, included; anthers yellow. Styles 3; stigmas capitate. Achenes included in persistent perianth, brown, slightly shiny, ovoid, trigonous. Fl. Jul-Aug, fr. Aug-Sep.