Description from Flora of China
Plectranthus gesneroides J. Sinclair, Notes Roy. Bot. Gard. Edinburgh 20: 124. 1948; Rabdosia gesneroides (J. Sinclair) H. Hara.
Herbs perennial, less than 30 cm tall. Stems ascending, repent, producing fibrous rootlets basally, densely glandular pubescent, few leaved. Petiole 0.8-1.5 cm, densely glandular pubescent; leaf blade of lower stem leaves ovate to orbicular-ovate, 3-5.5 × 2-3 cm; blade of upper leaves larger, rhombic-ovate, papery, adaxially sparsely strigose-hirtellous, yellowish glandular, abaxially subglabrous, base broadly cuneate-attenuate, margin remotely coarse crenate-serrate, apex obtuse to acute; lateral veins 3- or 4-paired, slightly elevated adaxially. Panicles terminal, to 15 cm, few flowered; cymes 1-3-flowered, pedunculate, densely glandular pubescent; floral leaves sessile, broadly ovate to ovate-lanceolate, apex acuminate; bracteoles linear, ca. 1 mm. Calyx broadly campanulate, ca. 3 mm, puberulent and glandular outside; teeth subequal, triangular-ovate, ca. 1.5 mm. Corolla purple, ca. 1.3 cm, pilose outside, glandular, tube ca. 8 mm. Stamens included. Style included. Nutlets unknown. Fl. Aug.
* Limestone cliffs in woods; ca. 3000 m. Sichuan.