Trigonotis mollis Hemsl.

Herbs perennial, densely gray pubescent. Stems densely cespitose, ascending, 15-20 cm tall, spreading pubescent. Petiole of basal leaves 3-4 cm; leaf blade broadly ovate to rotund, 0.5-1.5 × 0.5-1.5 cm, submembranous, densely gray pubescent, base rounded to broadly cuneate, apex rounded or shallowly retuse, less often ± acute; stem leaves short petiolate, smaller. Inflorescences terminal, ca. 7 cm, only lower 1 or 2 flowers bracteate. Pedicel filiform, 2-6 mm, frequently horizontal. Flowers widely spaced. Calyx lobes obovate-spatulate, ca. 1.5 mm, slightly enlarged after anthesis, apex obtuse. Corolla light blue; limb ca. 2.5 mm wide; lobes suborbicular. Anthers elliptic, apex mucronate. Ovary glabrous. Style included. Nutlets gray-brown, semiglobose-tetrahedral, ca. 0.6 mm, smooth, glabrous, shiny, 2 lateral surfaces subequal in size, longitudinally ribbed at their juncture; abaxial surfaces convex, broadly ovate, 0.5-0.6 mm, apex acute.

Hubei, Shaanxi.

* Rocky slopes, river banks; 900-1100 m.