Herbs, prostrate. Roots fibrous. Stems succulent, much branched from base. Branches 10-13 cm, stout. Leaves elliptic-oblong, 1.5-2 X 0.5-1.1 cm, abaxially with small black spots, base amplexicaul, apex obtuse; main veins 3. Pedicel ca. 1 mm. Bracteoles ovate. Calyx ca. 3.5 mm; lobes lanceolate, persistent. Corolla yellow to whitish, ca. 6 mm, constricted at middle; tube ca. 3 mm; limb ca. 3 mm; upper lip irregularly toothed. Stamens included; filaments ca. 1.5 mm; staminodes absent. Ovary ovoid, ca. 1.5 mm. Style ca. 1.8 mm; stigma enlarged. Capsule 2.5-3 mm in diam., apex apiculate.

Moist places; low elevations. Guangdong [tropics and subtropics].