Saxifraga nambulana H. Sm.

Plants many branched, to 3 cm tall, with crowded shoots forming cushions. Flowering stem barely 1 cm, glandular villous. Shoot leaves imbricate, long persistent even when dead, spatulate to narrowly obovate, ca. 5.5 × 2 mm, leathery, thickened in distal 1/3, both surfaces glabrous, chalk glands 5, margin cartilaginous denticulate-ciliate proximally, apex usually mucronate and glabrous. Cauline leaves 4-6, ca. 5 mm, subleathery, glandular pilose abaxially and at proximal margin, chalk gland 1, apex acute. Flower solitary; pedicel and hypanthium densely glandular villous. Sepals broadly ovate, ca. 4 × 3 mm, glandular pilose abaxially and at margin, veins 3, confluent at apex, apex subacute or acute, glabrous. Petals yellow, elliptic to obovate, ca. 7 × 3 mm, 3- or 4-veined, base contracted into a claw ca. 1.5 mm, apex obtuse. Stamens ca. 7 mm. Carpels connate proximally; ovary subsuperior; styles erect, ca. 2 mm. Fl. Jul-Aug.

SE Xizang (Nyingchi Xian).

* Rock faces; ca. 4200 m.