Saxifraga zayuensis T. C. Ku

Stem simple, 3-7 cm tall, glandular pilose. Leaf buds present in leaf axils. Proximal leaves few, scalelike, lanceolate, 5.7-6 × 1-1.2 mm, both surfaces glabrous, distal margin cartilaginous setose-ciliate, apex acute. Median cauline leaves crowded; petiole ca. 2 mm, margin ciliate; leaf blade oblong to narrowly so, 5-10.5 × 1.5-2.1 mm, both surfaces glabrous, base tapered into petiole, margin cartilaginous setose-ciliate, apex acute, rigidly aristate; distal leaves with petiole shortened to absent, leaf blade glandular hairy abaxially and at margin. Flower solitary or cyme 2-flowered; pedicels 0.5-1.5 cm, glandular pilose. Sepals erect to rather spreading, narrowly ovate, 3.5-5 × 1.5-2 mm, leathery, abaxially and marginally glandular hairy, veins 3, confluent at apex, apex rigidly aristate. Petals yellow, elliptic or ovate to narrowly obovate, 5.5-7 × 2-3.5 mm, 6-9-callose, 4- or 5-veined, margin sometimes with a few glandular hairs at base, base with a claw 0.6-1 mm, apex obtuse or acute. Stamens 4.4-6.5 mm. Ovary subsuperior, ovoid, 2-3 mm; styles 1-2 mm. Fl. Jul-Aug.

NW Yunnan (Dêqên Xian).

* Abies forests, forest margins, alpine scrub meadows, rock clefts; 3800-4400 m.

Saxifraga yunlingensis C. Y. Wu; S. zayuensis f. angustipetala T. C. Ku.

Saxifraga zayuensis là một loài thực vật có hoa trong họ Saxifragaceae. Loài này được T.C. Ku miêu tả khoa học đầu tiên năm 1989.