Stems erect; branches slender, pubescent. Lower stem leaves not seen. Petiole of upper stem leaves ca. 2 cm; leaf blade ovate, ca. 3 × 2 cm, membranous, subglabrous, base strongly attenuate, margin serrate except for apex, apex triangular-acuminate, acute. Verticillasters 6-8-flowered, in decussate terminal thyrses or panicles 5-6 cm; bracts ovate, ca. 1 × 1 mm, apex palmately serrate, hirsute. Pedicel ca. 1 mm, hirsute. Calyx tubular-campanulate, ca. 1.5 × 1 mm, spreading hirsute outside, densely glandular; middle tooth of upper lip subcircular, apex acute, ca. 0.6 mm; lateral teeth linear, ca. 1 mm, ciliate; anterior teeth 2, linear, ca. 1 mm, ciliolate. Corolla tube ca. 2 mm, glabrous, ca. 0.6 mm wide; middle lobe of upper lip hirsute abaxially, circular, lateral lobes circular; lower lip oblong, ca. 1 mm, obtuse, glabrous. Filaments to 0.6 mm. Nutlets ovoid, glabrous.

* Taiwan.