| Family | POLYGONACEAE |
| Genus species | Rheum inopinatum Prain |
| Bibliography | Bot. Mag. 134: t. 8190 (1908) |
| Native Range | c. & s. Tibet |
| Primary Biome | Subalpine |
| Habitat | rocky slopes |
| Altitude | 4000-4200m |
| Description | leaves petiolate, triangular-ovate, 7-14cm, coriaceous, adaxially glabrous, green, cordate, obtuse, panicle terminal, flowers large, perianth hexamerous |
| Size | 20-35cm |
| Color | whitish yellow |
| 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 spring, germ. 1-3 months, 16-18°C division in spring; cuttings in late spring and late summer |
| Territory | 3 Asia-Temperate 36 China (CHT Tibet) |