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| September 2006 at lowland swamp |
September 2006 at lowland swamp |
| Family | Cyperaceae |
| Scientific name | Eleocharis congesta D. Don |
| Synonyms | Eleocharis congesta D. Don subsp. japonica (Miquel) T. Koyama, Eleocharis afflata Steudel, Eleocharis japonica Miquel, Eleocharis subvivipara Boeck |
| Common name | (Japanese common name) hari-i (ハリイ, 針藺 [meaning: needle rush]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (south reagion), Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Philippines, Malaysia, India, Pakistan | |
| Habitat | Swamp |
| Chromosomal number | 2n=20 |
| Description | Plants culms 6-20cm tall. Flowers 4-6mm long, flowering in June to October. Annual plants. |
| Reference | Eleocharis congesta D. Don |
| Eleocharis congesta D. Don |
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|---|---|
| September 2006 at lowland swamp |
September 2006 at lowland swamp |
