曲茎虎耳草 qu jing hu er cao

Saxifraga rupinarum J. Anthony.

Herbs perennial, cespitose, 4-8.5 cm tall. Shoots branched, with leaf rosettes. Flowering stem glabrous. Rosette leaves spatulate, 5.5-7 × 1.5-2 mm, subcarnose, both surfaces glabrous, margin sparsely setose-ciliate, apex mucronate. Cauline leaves oblong-linear, 5.7-5.9 × 1-2 mm, subcarnose, margin distally setose-ciliate on proximal leaves, glabrous on distal leaves, apex mucronate. Flower solitary or cyme 2- or 3-flowered; pedicels slender, flexuous, 0.7-3.1 cm, glabrous. Sepals spreading to reflexed, ovate to broadly so, 2-2.5 × 1.4-2 mm, glabrous, veins 3-5, not, partly, or fully confluent at apex, apex obtuse or acute. Petals yellow, proximally spotted, elliptic to oblong, 5-7 × 2-3 mm, obscurely 2-callose, 3-5-veined, base tapered into a claw 0.5-0.8 mm, apex obtuse or acute. Stamens ca. 4.5 mm. Ovary subsuperior, broadly ovoid, 2-2.9 mm; styles 0.8-1 mm. Fl. and fr. Jul-Sep.

* Alpine scrub meadows, alpine meadows, alpine lakesides, screes, rock crevices; 4100-4700 m. SW Sichuan, NW Yunnan.