Herbs 18-30 cm tall. Sterile branches arising from leaf axils. Stems glabrous. Basal leaves absent. Cauline leaves several, alternate, proximal ones smaller, scalelike, sessile, distal ones with petiole 0.4-1.9 cm, glabrous; leaf blade ovate to broadly so, 0.9-2.9 × 1-1.7 cm, glabrous, base rounded-cuneate, margin ca. 12-crenate. Cyme remotely flowered or flowers solitary at bracteal leaf axils; bracteal leaves with petiole 1-7 mm, leaf blade ovate to broadly so, 2.8-15 × 1.2-12 mm, glabrous, base broadly cuneate to rounded, margin 10-12-crenate, teeth brown 1-verrucose at apex. Flowers green, ca. 7.2 mm in diam.; pedicel slender, 0.6-1.9 cm, glabrous. Sepals spreading, subrhombic, 1.9-2.8 × 2.8-3.3 mm, glabrous, apex obtuse or retuse, brown 1-verrucose. Stamens ca. 1.2 cm. Ovary semi-inferior; styles 0.5-0.9 mm. Disc distinctly 8-lobed. Capsule retuse at apex; carpels subequal; rostrums ca. 0.7 mm. Seeds dark brown, shiny, subovoid, ca. 1.6 mm, smooth, glabrous. Fl. and fr. Jul-Sep.
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