Semi-shrub with creeping stems and erect flower stems; Except leaf margin, petiole, calyx and corolla throat, there is no hair. The leaves are oval, 2-6 cm long and 1.5-4 cm wide, with acute apex and descending base; Lateral veins are about 4 pairs; Petiole length 1 cm. Flowers are axillary; Pedicel 4-5 cm long; Calyx lobes narrowly lanceolate, 9 mm long; Corolla is blue, corolla tube is funnel-shaped, corolla lobes are obovate, 65438 02 mm long and 7 mm wide, and the apex is round; Stamens are inserted below the middle of corolla tube, filaments are short and flat, and anthers are hairy at the top; The ovary consists of two carpels. Kelp is about 5 cm long.