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| April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Aconogonon ajanense (Regel & Tiling) H. Hara |
| Synonyms | Pleuropteropyrum ajanense (Regel & Tiling) Nakai; Polygonum ajanense (Regel & Tiling) Grigorjev; Polygonum polymorphum Ledebour var. ajanense Regel & Tiling |
| Common name | (Japanese common name) hime iwa-tade (ヒメイワタデ, 姫岩蓼 [meaning: dwarf rocks Polygonum]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido |
| (Other nations) Russia, Korea | |
| Habitat | Alpine rocks |
| Chromosomal number | 2n=20 (2x) |
| Description | Plants 10-30cm tall. Leaves 2.5-7cm long. Flowers pale yellow perianth ca. 2.5-4mm long, flowering in July to August. Perrenial plants. |
| Reference | Polygonum ajanense (Regel & Tiling) Grigorjev |
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| April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
April 2008 at Rokko Alpine Botanical Garden |
