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Microtoena omeiensis

Description from Flora of China

Herbs robust. Stems 1-2 m tall, sparsely villous or puberulent. Petiole to 13 cm; leaf blade oblong-ovate to triangular-ovate, 4-13 × 3-10 cm, membranous, adaxially sparsely minutely hispid, abaxially sparsely fine strigose on veins, rarely glabrous, base truncate-cuneate to cordate, margin coarsely mucronate-crenate, apex caudate-acuminate. Cymes dichotomous, axillary, ca. 3 cm; peduncle to 1.6 cm, slender, sparsely villous or puberulent; bracts lanceolate, 2-3 mm. Calyx ca. 5 × 3 mm, dusty glandular, finely bristly on veins and margins; teeth triangular-lanceolate, anterior teeth 4, 0.6-1 mm, posterior tooth ca. 2 × as long; fruiting calyx saccate-dilated, conspicuously netted. Corolla ca. 3 cm, puberulent outside; throat ca. 7 mm wide; upper lip ca. 8 mm, base truncate, sides dentate; lower lip ca. 1 cm, middle lobe oblong, ca. 2.5 mm. Nutlets dark brown, lenticular-obovoid, ca. 1.9 × 1.5 mm, glabrous. Fl. Aug, fr. Aug-Sep.

Used medicinally for colds and rheumatism.

* Open grasslands; 1500-4000 m. Sichuan


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