Description from Flora of China
Saxifraga longshengensis J. T. Pan.
Plants ca. 32 cm tall. Rhizomes extremely short. Leaves all basal; petiole 3-7.5 cm, glandular strigose; leaf blade elliptic to oblong, 2.4-6.5 × 1.1-2.2 cm, both surfaces strigose, base cuneate, distal margin serrate, apex acute. Scape sparsely glandular hairy. Inflorescence ca. 11 cm, ca. 16-flowered; branches slender, to 8 cm; pedicels ca. 1.2 cm, slender, glandular pilose. Sepals 5, spreading, subovate, 2-2.3 × ca. 1.2 mm, glandular pilose, veins 3, partly confluent at apex, apex obtuse. Petals 5, white; shortest 3 petals ovate, 3.5-4 × 2-2.4 mm, base with a claw ca. 0.4 mm, apex acute; longest 2 petals linear, 1.7-2 cm × 2-2.2 mm, veins 3, partly confluent at apex, base with a claw 1-1.5 mm, apex acute. Stamens ca. 5 mm. Carpels ca. 4.5 mm; ovary ovoid, ca. 2 mm; styles divergent, ca. 2.5 mm. Fl. and fr. Jul-Oct.
* Rock crevices by water; ca. 800 m. NE Guangxi (Longsheng Ge Zu Zizhixian).