| Family | POLYGONACEAE |
| Genus species | Polygonum ajanense (Regel & Tiling) Grig. |
| Synonyms | Aconogonon ajanense (Regel & Tiling) H.Hara |
| Pleuropteropyrum ajanense (Regel & Tiling) Nakai | |
| Habitat | grassland |
| Description | glabrous or pubescent, stems flexuous, leaves lanceolate, 3-6cm, obtuse or acute, sessile, sheaths scarious, inflorescence dense, paniculate, pendent, flowers 3-4mm |
| Size | 10-30cm |
| Color | pale green |
| Bloom | summer |
| Ca | |
| Type | tuft |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, germ. 1-3 months, 13-18°C division in spring; cuttings in late spring and late summer |
| Territory |
Asia-Temperate
Siberia (Buryatiya , Chita , Irkutsk , Yakutskiya ) Russian Far East (Amur , Khabarovsk , Kuril Is. , Magadan , Primorye , Sakhalin ) China (Manchuria ) Eastern Asia (Japan , Korea) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | POLYGONACEAE
ajanense middendorfii (Kongar) Vorosch., Florist. Issl. Razn. Raionakh SSSR [A.K.Skvortsov, ed.] 163 (1985)
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