Description from Flora of China
Herbs 10-20 cm tall. Branches slender, bifariously retrorsely pubescent. Petiole 2-7 mm, pubescent; leaf blade ovate to broadly ovate, 5-20 × 4-14 mm, secondary veins ca. 4 on each side of midvein, base cuneate to rounded, margin entire or slightly undulate, apex obtuse to rounded. Flowers solitary in apical leaf axils, sessile; bracteoles 2, broadly ovate, 4-4.5 × ca. 2.5 mm, margin yellow, 0.1-0.2 mm broad, membranous, and ciliate. Calyx 3-3.5 mm; lobes lanceolate, glabrous, apex acuminate. Corolla light bluish, 1.1-1.2 cm, outside glabrous; tube ca. 6 mm, straight; lower lip ca. 6 mm, patent, apex 3-lobed, lobes orbicular and ca. 1.5 mm in diam.; upper lip triangular, erect, apex emarginate. Staminal filaments ca. 5 mm; anther thecae ovoid. Ovary glabrous; style 8.5-9 mm; stigma 2-lobed. Capsule not seen. Fl. Sep-Nov.
● Streamsides; 400-700 m. Guangxi, Guizhou.