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| September 2006 at mountane swamp |
September 2006 at mountane swamp |
September 2006 at mountane swamp |
| Family | Urticaceae |
| Scientific name | Pilea pumila (L.) A. Gray |
| Synonyms | Pilea mongolica Weddell; Pilea viridissima Makino; Urtica pumila L. |
| Common name | (Japanese common name) ao-mizu (アオミズ, 青ミズ [meaning: green mizu (mizu = water plants)]) |
| (English common name) Canada clearweed, Canadian clearweed, clearweed | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Mongolia, Canada, USA | |
| Habitat | Riverside, swamp |
| Chromosomal number | 2n=24 |
| Description | Plants 30-50cm tall. Leaves 3-10cm long. Flowers flowering in July to October. Annual plants. |
| Reference | Pilea pumila (L.) A. Gray |
| Pilea pumila (Linnaeus) A. Gray |
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| September 2006 at mountane swamp |
September 2006 at mountane swamp |
September 2006 at mountane swamp |
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| September 2006 at mountane swamp |
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| September 2006 at mountane swamp |
