Herbs 13-17 cm tall. Sterile branches arising from leaf axils. Stems glabrous, sometimes sparsely brown papillose. Cauline leaves opposite; petiole 6-12 mm, brown papillose at axil; leaf blade subreniform to broadly orbicular, 6.5-10 mm × 1-1.3 cm, both surfaces glabrous, base subcordate to broadly cuneate, margin 8-10-crenate (teeth brown 1-verrucose at sinus), apex obtuse. Cyme 2-4-flowered; bracteal leaves papillose at axil, leaf blade subreniform, 4-6 × 4-9.5 mm, both surfaces glabrous, base subcordate, margin 6-10-crenate, teeth usually brown 1-papillate at sinus and brown 1-verrucose at apex. Pedicel 3-8 mm, glabrous. Sepals spreading, broadly ovate to broadly orbicular, 1.3-1.5 × 1.5-2 mm, apex obtuse or acute. Stamens 8, ca. 0.6 mm. Ovary subinferior; styles ca. 0.5 mm. Disc distinctly 8-lobed, surrounded by brown papillae. Fl. and fr. Jun-Jul.

* NC Sichuan (Li Xian, Maowen Qiang Zu Zizhixian).