Herbs cespitose, 3.4-4.4 cm tall, glabrous except brown papillose at leaf and bracteal leaf axils. Stems much branched; stolons 2 or 3, arising from leaf axils. Distal sterile branch leaves with petiole 1-1.4 mm; leaf blade ovate, 4.7-5.4 × 2.2-2.6 mm, base cuneate, margin 5-crenate. Cauline leaves alternate, sessile, narrowly ovate or lanceolate to narrowly oblanceolate, 4.4-6.7 × 1.5-2 mm, margin irregularly 14-17-dentate on proximal leaves, 5-dentate on distal ones, teeth 1-verrucose at apex. Pleiochasium 1.3-2.8 cm, ca. 9-flowered; bracteal leaves narrowly ovate, ca. 4.5 × 2.1 mm, base gradually narrowed into a petiole ca. 1.7 mm, margin 3-5-crenate. Flowers green, campanulate; pedicel 0.8-1.5 mm. Sepals subelliptic to orbicular-square, 1.5-1.6 × 1.4-2.4 mm, apex retuse. Stamens 8; filaments 0.8-0.9 mm. Ovary subinferior, ca. 2.7 mm; styles erect, ca. 1 mm. Disc absent. Capsule with carpels subequal, embedded in calyx, not visible. Seeds dark brown, shiny, subellipsoid, ca. 1 mm, smooth, glabrous. Fl. and fr. Jun-Aug.

* About 3700 m. S Xizang (Lhasa Shi).