Stems ± woody, suberect, ca. 50 cm tall, much branched, densely antrorse hirtellous, hairs with many long branches. Petiole 2-5 mm; leaf blade ovate, 0.9-2.2 cm × 4-14 mm, papery, densely hirtellous, glandular, base broadly cuneate to roundish, margin 2-or 3-crenate, apex obtuse. Flowers solitary, axillary, on branchlets; pedicel ca. 3.5 mm, densely hirtellous. Calyx ca. 1.5 mm, ca. 3.5 mm in fruit, densely hirtellous outside; scutellum ca. 0.5 mm. Corolla bluish, 1.1-1.4 cm, glandular pilose outside, sparsely pilose on limb inside; tube suberect, base slightly saccate, throat to 2.5 mm wide. Fl. and fr. Jun.