Microtoena affinis C.Y.Wu & S.J.Hsuan

Stems woody, short glandular hairy. Leaves on new shoots; petiole 1.7-2.2 cm; leaf blade ovate to ovate-orbicular, 1.1-2.5 × 1-2.6 cm, papery, puberulent, base rounded or truncate-cuneate, remotely crenate, apex acuminate or obtuse. Cymes axillary, 1-flowered; floral leaves reduced; peduncle 0.6-1.5 cm, slender, glandular puberulent; bracts 4-6 × ca. 1 mm. Calyx ca. 8.5 × 2 mm, glandular puberulent outside, glabrous inside; teeth linear-lanceolate, posterior tooth ca. 5 mm, other teeth ca. 2.5 mm. Corolla purple, ca. 1.7 cm, throat to 4 mm wide; upper lip ca. 5.5 mm; lower lip as long, middle lobe circular. Nutlets not seen. Fl. Nov.