Herbs 9-22 cm tall. Sterile branches arising from near stem base. Stems glabrous. Cauline leaves opposite; petiole 0.7-1 cm, sparsely brown papillose; leaf blade broadly ovate to subflabellate, 0.9-1.3 × 1-1.4 cm, adaxially (rarely abaxially) sparsely brown papillose, base broadly cuneate to subtruncate, brown 1-papillate at sinus, margin obtusely 14-19-dentate. Pleiochasium 1.7-6.5 cm, many flowered; branches glabrous; bracteal leaves with petiole 1-2 mm, sparsely brown papillose adaxially and at axil, leaf blade broadly ovate, 3-12 × 3.3-12 mm, adaxially (rarely abaxially) sparsely brown papillose, base broadly cuneate or subtruncate to oblique, brown 1-papillate at sinus, margin obtusely 5-15-dentate. Flowers yellow-green, 3.8-6.5 mm in diam.; pedicel glabrous. Sepals spreading, broadly ovate or broadly subelliptic to broadly orbicular, 1-2.5 × 1-4 mm, apex obtuse. Stamens 8, 0.1-1 mm. Ovary semi-inferior; styles 0.2-0.3 mm. Disc distinct, surrounded by brown papillae. Capsule ca. 5.4 mm; carpels unequal; rostrums ca. 0.2 mm. Seeds dark brown, subovoid, 0.8-0.9 mm, densely papillose. Fl. and fr. Apr-Jul.
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