Saxifraga triaristulata Hand.-Mazz.

This puzzling species seems to be allied to Saxifraga gongshanensis and S. saginoides. The description above is based on the type specimen only; no other material has been seen.

Herbs perennial, cespitose, to 2 cm tall. Stem brown glandular villous. Basal leaves oblong-spatulate, 3.5-4.5 × 1-1.3 mm, both surfaces glabrous, apex 1-3-aristate, sometimes acute. Cauline leaves lanceolate to linear, 4-6 × 0.8-1 mm, both surfaces glabrous or very sparsely glandular hairy, margin with long, brown, villous hairs. Flower solitary; pedicel ca. 5 mm, brown glandular villous. Sepals ovate, ca. 2.5 × 1.5 mm, sparsely glandular abaxially, margin glabrous, apex obtuse, sometimes slightly erose. Petals yellow, elliptic, ca. 5 × 2 mm, 3-veined, base truncate with a claw ca. 0.3 mm. Ovary subsuperior, ovoid; styles ca. 0.2 mm. Fl. Aug.

Sichuan.

* Rocks; ca. 4700 m.