Trigonotis cinereifolia C. J. Wang

Herbs perennial. Stems erect, much branched, rarely not branched, 30-45 cm tall, short strigose. Petiole of lower leaves to 3 cm; stem leaves gray, ovate to oblong, 0.7-2 cm × 3-10 mm, subleathery, abaxially densely strigose, with more numerous longer hairs along prominent veins, base broadly cuneate to rounded, apex obtuse, mucronate; middle and upper stem leaves short petiolate to subsessile. Inflorescences terminal, densely strigose; lowermost 2-5 flowers with leaflike bracts. Pedicel spreading, 3-10 mm, densely strigose. Calyx lobes narrowly elliptic, ca. 3 mm in fruit, densely strigose, apex acuminate. Corolla light blue; tube ca. 1 mm; throat appendages ca. 0.5 mm, pubescent; limb 4-5 mm wide; lobes broadly obovate, ca. 2 mm. Anthers oblong, apex mucronate. Style ca. as long as corolla tube. Nutlets dark brown, oblique subulate, trigonous-tetrahedral, ca. 1 mm, glabrous, shiny, adaxial bottom surface slightly smaller than 2 lateral surfaces; abaxial surfaces broadly ovate, acutely 3-ribbed; carpophore short, curved. Fl. Jun-Jul, fr. Jul-Aug.

Xizang (Tongmai Xian).

* Thickets, meadows; ca. 2000 m.