| Family | SAXIFRAGACEAE |
| Genus species | Micranthes atrata (Engl.) Losinsk. sect. Calthophyllum |
| Bibliography | Izv. Glavn. Bot. Sada S.S.S.R. 27: 601 (1928) |
| Native Range | nc. China to ne. Qinghai |
| Primary Biome | Subalpine |
| Habitat | grassland and rocks |
| Altitude | 3000-4200m |
| Description | leaves petiolate, broadly ovate, 12-25mm, glabrous, crenate-serrate, ciliate, inflorescence cylindrical, 7-25-flowered, sepals reflexed, ovate, petals ovate to elliptic, 3-4mm long |
| Size | 7-23cm |
| Color | white |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | rock crevices with favourable water regime, eastern slopes alpine house, poor, drained soil, shading in summer |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 16-21°C division after flowering; cuttings in late summer |
| Synonyms | Saxifraga atrata Engl. |
| Territory | 3 Asia-Temperate 36 China (CHN China North-Central, CHQ Qinghai) |