Saxifraga gyacaensis J. T. Pan.

Herbs perennial, 2-3 cm tall. Shoots numerous, with leaf rosettes. Rosette leaves imbricate, narrowly obovate-spatulate, abaxially convex, adaxially concave, 4-6 × 1.4-2.5 mm, both surfaces glabrous, margin setose-ciliate, apex obtuse, aristate. Flower solitary, sessile or subsessile; pedicel 0-1 mm, glandular hairy. Sepals erect, ovate, 3-4 × 2-3 mm, both surfaces glabrous, veins 3, not confluent at apex, margin setose-ciliate, apex obtuse. Petals white, pink at base, broadly elliptic to broadly ovate, 5-9 × 3-5 mm, not callose, 5-veined, base gradually narrowed into a claw 1-2.5 mm, apex rounded or retuse. Stamens ca. 3 mm. Ovary subsuperior, ovoid, ca. 2.5 mm; styles ca. 2.2 mm. Fl. Jul-Aug.

* Alpine scrub, meadows, rock crevices; 4200-5000 m. S Xizang (Gyaca Xian, Lhasa Shi, Lhünzê Xian).