Microtoena pauciflora C. Y. Wu

Used medicinally.

This species may only be a variety of Microtoena patchoulii.

Herbs slender, erect. Stems spreading pilose, retrorse minutely tomentose. Petiole 0.6-1.8 cm; leaf blade ovate to ovate-oblong, 2-3 × 1.1-2.5 cm, strigose, densely so abaxially, base rounded to broadly cuneate, margin denticulate, apex acute. Cymes axillary, dichotomous, 2- or 3-flowered; peduncle ca. 5 mm, glandular pubescent; bracts oblong to narrowly oblong, linear toward apex, ca. 5 × 3 mm. Calyx narrowly campanulate, ca. 4 × 1.5 mm, puberulent; teeth as long as to slightly longer than calyx tube, lanceolate, posterior teeth slightly longer. Corolla ca. 1.3 cm, throat ca. 6 mm wide, glabrous; upper lip purple-brown, ca. 6 mm, emarginate, arcuate at base; lower lip oblong, almost as long as upper lip; middle lobe narrowly ligulate, ca. 2 × 1 mm; lateral lobes ovate, shorter than and ca. 2 × as wide as middle lobe. Anthers slightly exserted; ovary glabrous. Nutlets unknown. Fl. Dec.

Yunnan

* Villages; ca. 1600 m.