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| July 2008 at Ohsaka City University Botanical Garden |
July 2008 at Ohsaka City University Botanical Garden |
| Family | Haloragaceae |
| Scientific name | Myriophyllum ussuriense (Regel) Maximovicz |
| Synonyms | Myriophyllum verticillatum L. var. ussuriense Regel |
| Common name | (Japanese common name) tachi-mo [standing water weed] |
| (English common name) Asian watermilfoil | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Taiwan | |
| Chromosomal number | 2n=14 (2x), 21 (3x) |
| Description | Plants ca. 5-50cm long. Leaves 0.5-2cm long. Flowers flowering in June to August. Water plants. Perennial plants. |
| Reference | Myriophyllum ussuriense (Regel) Maximowicz |
| Chromosome Numbers of Myriophyllum ussuriense Maxim. (Haloragaceae) in Japan | |
| Note | Rare species. |
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| July 2008 at Ohsaka City University Botanical Garden |
July 2008 at Ohsaka City University Botanical Garden |
