Chondrosea unguipetala (Engler & Irmscher) Losinskaja; Saxifraga kansuensis Mattfeld.

Plants many branched, ca. 5 cm tall, with crowded shoots forming cushions. Flowering stem 2-3.7 cm, densely glandular hairy. Shoot leaves arranged in dense rosettes, suboblong-spatulate, abaxially subconvex, adaxially subconcave, (5-)7.3-9.5 × 1.5-2 mm, leathery, both surfaces glabrous, pinnately veined, chalk glands 5-9, margin cartilaginous ciliate proximally, apex recurved, obtuse or acute. Cauline leaves 5-7, narrowly oblong to oblong-spatulate, 4.6-6 × 1-1.3 mm, abaxially glandular hairy near base, adaxially glabrous or proximally glandular hairy, chalk glands 1-5, margin glandular ciliate, apex acute, glabrous. Flower solitary; pedicel densely glandular hairy. Sepals erect, broadly ovate, 3-4 × 2-3 mm, leathery, abaxially and marginally glandular hairy, chalk gland 1, at apex of midvein, veins 8 or 9, not or partly confluent at apex, apex acute or subacuminate. Petals white, obovate to broadly so or elliptic, 6-6.5(-11) × 3.3-3.5(-8) mm, 6-9-veined, base gradually narrowed into a short claw, apex rounded. Stamens (3.5-)7-8 mm. Ovary semi-inferior, broadly ovoid, ca. 3 mm, with an obscure nectary disc; styles ca. 2.1 mm. Fl. Jul-Aug.

* Alpine rock crevices; 3200-4300 m. S Gansu (Min Shan), W Hubei.