Calamintha esquirolii H. Léveillé, Repert. Spec. Nov. Regni Veg. 8: 450. 1910; Coleus mucosus Hayata.

Herbs erect or ascending, roots tuberlike. Stems 15-45 cm, woody at base, branched. Petiole 1-2.5 cm; leaf blade ovate to subcordate, 2-3.5(-5) × 1-3(-4) cm, ± succulent, puberulent, base shallowly cordate or rarely rounded, margin coarsely crenate, apex obtuse to sometimes acute. Racemes or panicles terminal, to 15 cm, densely puberulent, verticillasters many flowered; peduncle ca. 2 mm, robust. Pedicel slender, 2-4 mm. Calyx ovoid-campanulate, ca. 2.5 mm, to 5-6 mm in fruit, densely puberulent outside, glabrous inside; teeth subequal, triangular, apex acute, posterior tooth wider than others. Corolla purple to purple-blue, ca. 1.5 cm, recurved, sparsely puberulent, glandular; tube gradually dilated, 2.5-3 mm wide at throat; upper lip 4-lobed, reflexed; lower lip to 6 mm, concave. Stamens included; filaments ± connate at base. Nutlets black, subglobose. Fl. Sep-Nov.

* Rocky areas, grassy hills; 1100-1800 m. Guangxi, Guizhou, Taiwan, Yunnan.