Saxifraga diversifolia Wallich ex Seringe var. parnassiifolia (D. Don) Seringe; S. parnassiifolia var. obscuricallosa J. T. Pan.

Herbs perennial, cespitose, 11.5-24 cm tall. Stem branched, densely brown crisped glandular villous. Basal leaves with petiole 1.3-2.7 cm, crisped glandular villous; leaf blade cordate-ovate, 1.5-4 × 1.3-3 cm, crisped villous on both surfaces and at margin or glabrous adaxially, base cordate, apex acute. Cauline leaves 6 or 7, sessile, ovate to cordate, 0.9-3.5 × 0.5-2.3 cm, base cordate, semiamplexicaul, apex obtuse or acute; proximal leaves glandular villous on both surfaces and at margin or glabrous adaxially; distal leaves shortly glandular hairy on both surfaces, margin shortly glandular hairy and glandular villous. Pleiochasium 2-2.5 cm, 6-11-flowered; pedicels shortly glandular hairy. Sepals erect to spreading, ovate to broadly so, 3-4 × 1.5-2.9 mm, shortly brown glandular hairy abaxially, adaxially distally, and at margin and apex, veins 5-7, confluent into a verruca at apex. Petals yellow, obovate to broadly ovate, 5-7.9 × 3.5-4 mm, subcolumnar 4-6-callose, not or indistinctly 2- or 3-callose, 5-7-veined, base contracted into a claw 0.6-1.7 mm, apex obtuse. Stamens 2.5-4 mm. Ovary subsuperior, ovoid, 1.6-2.5 mm; styles 1-2 mm. Fl. Jul-Sep. 2n = 16.

Saxifraga parnassiifolia var. obscuricallosa, which was accepted in FRPS, cannot be distinguished reliably because of intermediates.

Abies forest margins, slopes; 2700-4000 m. S Xizang (Nyalam Xian, Zayü Xian) [Bhutan, India, Nepal, Sikkim].