Saxifraga atrosanguinea J. Anthony.

Herbs perennial, 20-50 cm tall. Stem distally glandular hairy and glandular. Basal and proximal cauline leaves with petiole 0.3-2.3 cm, ± glandular villous; leaf blade elliptic or oblong to oblong-lanceolate, 2.2-7 × 0.9-2.8 cm, abaxially glabrous or glandular villous, margin glandular villous, apex subobtuse; distal cauline leaves sessile, oblong to narrowly so, 1.4-2.8 cm × 3-11.5 mm, abaxially and marginally sparsely glandular hairy. Inflorescence 4-11-flowered; branches glandular hairy and glandular. Sepals reflexed, elliptic, 4.5-5 × 2.4-2.5 mm, abaxially and marginally glandular hairy, veins 3, free, apex obtuse. Petals purple, black-purple spotted, ovate, 5-6 × 3-4 mm, not callose, 4- or 5-veined, base cordate, clawless. Stamens ca. 5.8 mm. Ovary semi-inferior, ovoid; styles divergent. Fl. and fr. Jul-Sep. 2n = 16*.

* Mixed forests, alpine meadows, rock crevices on slopes; 3000-3900 m. SW Sichuan, NW Yunnan.