Description from
Flora of China
Trigonotis smithii W. T. Wang, Bull. Bot. Res., Harbin 13(1): 3. 1993, not Banerjee, Bull. Bot. Surv. India 8: 325. 1967.
Stems 4 to many, cespitose, simple or with a single lateral branch, slender, 5-19 cm tall, sparsely minute strigose. Petiole 0.9-1.2 cm, shorter in upper leaves; leaf blade ovate to narrowly elliptic, 6-13 × 3-8 mm, papery, densely appressed puberulent, base broadly cuneate, apex acute; lateral veins prominent abaxially, flat adaxially. Inflorescences 3.2-12 cm, 5-15-flowered; bracts basal or throughout, sessile or short stalked, narrowly ovate to narrowly elliptic; axis and pedicel densely puberulent. Pedicel 0.6-3 mm, lowermost often longer. Calyx lobes ca. 1 mm at anthesis, ca. 2 mm in fruit, densely appressed puberulent on both sides, apex acute. Corolla blue, glabrous; tube 0.8-1 mm; appendages lunate; limb 1.7-2.2 mm wide; lobes obovate-quadrate, rounded to truncate at apex. Anthers ovate, 0.3-0.4 mm. Nutlets subulate, trigonous-tetrahedral; adaxial surfaces triangular, ca. 1.2 × 0.6 mm, with prominent adaxial angle; abaxial surfaces convex, ovate-triangular, ca. 1.2 × 1 mm, finely puberulent; stipe short. Fl. and fr. Jul.
* Mountain meadows, along rivulets; ca. 3200 m. Sichuan.