Description from Flora of China
Plectranthus melissoides Bentham, Labiat. Gen. Spec. 39. 1832; Isodon melissiformis (C. Y. Wu) H. Hara; Rabdosia melissiformis C. Y. Wu; R. melissoides (Bentham) H. Hara.
Herbs perennial. Stems densely retrorse gray pubescent, papillate strigose. Petiole less than 5 mm; leaf blade ovate-triangular to broadly ovate-rhombic, 2-3 × 1-2.5 cm, reduced upward, papery, adaxially sparsely minutely hispid, abaxially glabrous, sparsely minutely hispid on veins, base broadly cuneate-decurrent, margin remotely coarse crenate to crenate-serrate, apex acute to short acuminate, lateral veins 3- or 4-paired. Cymes axillary, 3-5-flowered, pubescent; peduncle to 5 mm; bracteoles ovate-lanceolate, to 5 mm. Pedicel 1.5-2 mm. Calyx campanulate, pubescent, ca. 3 mm, 2-lipped to below middle, teeth ± acute, fruiting calyx dilated to 5 mm. Corolla nearly white, ca. 1 cm, sparsely pubescent; tube ca. 5 mm, abruptly pouched near base, declinate, slightly constricted at throat; upper lip ca. 3.5 mm, lower lip ca. 5 mm. Stamens included. Style included. Nutlets brown, ovoid, ca. 1.5 mm, glabrous. Fl. and fr. Aug-Sep.
Hills; 1300-2000 m. Yunnan [Bangladesh, India].