| Family | POLYGONACEAE |
| Genus species | Rheum delavayi Franch. |
| Bibliography | Bull. Mus. Hist. Nat. (Paris) 1: 212 (1895) |
| Native Range | sc. China to e. & c Himalaya |
| Primary Biome | Subalpine |
| Habitat | scree |
| Altitude | 3000-4800m |
| Description | leaves petiolate, oblong-elliptic to orbiculate, 3-6cm long, coriaceous, abaxially pale green, entire, obtuse, panicle narrow, flowers large, ca. 5mm, of 3-4 |
| Size | 15-30cm |
| Color | greenish red |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | gravelly, humous, moist, semi-shady site alpine house, moist, humous, gravelly soil, semi-shade |
| Propagation | seed in spring, germ. 1-3 months, 16-18°C division in spring; cuttings in late spring and late summer |
| Synonyms | Rheum nepalense Kitam. Rheum strictum Franch. |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central) 4 Asia-Tropical 40 Indian Subcontinent (EHM East Himalaya, NEP Nepal) |
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