芽虎耳草 ya hu er cao

Herbs perennial, cespitose, 4.5-17 cm tall. Stem simple or branched, with leaf rosettes. Flowering stem glabrous proximally, glandular hairy distally, with axillary leaf buds. Bud scales subspatulate to obovate, 1.4-2 × ca. 1 mm, carnose, glabrous or sparsely ciliate. Rosette leaves obovate to subspatulate, 3-5 × 1-2 mm, carnose, both surfaces glabrous, margin sparsely cartilaginous setose-ciliate, apex obtuse or mucronate. Cauline leaves ovate or narrowly so to oblong-linear, 3-6.5 × 1-2 mm, leathery, both surfaces glabrous on proximal and sometimes also median leaves, abaxially glandular hairy on distal leaves, margin glandular ciliate or setose-ciliate, apex cartilaginous mucronate. Flower solitary; pedicel slender, 1-1.8 cm, glandular hairy. Sepals reflexed, ovate to broadly so, 1.5-2 × 1-2 mm, carnose, abaxially glandular hairy, adaxially and marginally glabrous, veins 3-5, not confluent at apex, apex subacute. Petals yellow, elliptic to subovate or narrowly ovate, 4-4.6 × 1.4-3 mm, not callose or 2-callose, 3- or 4-veined, base contracted into a claw 0.5-1 mm, apex obtuse. Stamens 2.5-3.5 mm. Ovary subsuperior, ovoid to subovoid, ca. 2 mm; styles ca. 0.5 mm. Fl. and fr. Jun-Sep.

* Alpine meadows, rock crevices by streams; 3100-4700 m. Gansu, Qinghai, S Shaanxi, Sichuan.

Lower Taxa

• Saxifraga gemmigera var. gemmigera
• Saxifraga gemmigera var. gemmuligera (Engler) J. T. Pan & Gornall