Trigonotis chuxiongensis H. Chuang.

Herbs perennial, densely strigose. Rhizome crowns covered by persistent petioles. Stems erect to ascending, not branched or branched above, 20-50 cm tall. Basal leaves and lower stem leaves withered at anthesis; petiole 3-20 mm; stem leaves ovate to elliptic, 2-6 × 1-3 cm, abaxially sparsely short strigose, adaxially densely strigose, with sunken veins, base rounded, apex acute; lateral veins 4-7 pairs, 2 or 3 originating from base. Inflorescences terminal, to 10 cm, ebracteate or with 1-3 leaflike bracts below. Pedicel subdivaricate in fruit, 3-5 mm. Calyx funnelform, parted to middle; lobes lanceolate, ca. 3 mm, apex acuminate. Corolla blue; tube ca. 2 mm; throat appendages ca. 1 mm, short hairy, apex retuse; limb 5-7 mm wide; lobes horizontal, obovate, ca. 2 mm, appressed puberulent outside. Stamens reaching corolla throat; anthers elliptic, ca. 0.5 mm, apex obtuse. Mature nutlets dark brown, semiglobose-tetrahedral, dorsiventrally compressed, ca. 1 mm, glabrous, smooth, shiny, adaxial lateral surfaces subequal in size, longitudinally ribbed at juncture, abaxial surfaces extremely convex, narrowly ribbed at margin, apex acute; stipe present.

* Hillside meadows, forest margins, stream banks; 1500-3000 m. Sichuan (Muli Xian), Yunnan.