| Family | Cyperaceae |
| Scientific name | Schoenoplectus lacustris (L.) Palla |
| Synonyms | Scirpus lacustris L. |
| Common name | (Japanese common name) oh-futo-i (オオフトイ, 大太藺 [meaning: large thick rush]) |
| (English common name) none | |
| Distribution | (Japan) Honshu |
| (Other nations) Russia, India, Pakistan, Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Caucasus, Afghanistan, Iran, Lebanon, Syria, Turkey, Europe, Algeria, Morocco, Eritrea, Lesotho, South Africa | |
| Habitat | Swamp |
| Chromosomal number | 2n=42 |
| Description | Plants culms ca. 50-150cm tall. Flowers inflorescences 5-9cm long, spikelets 4-10mm long, flowering in June to July. Perenial plants. |
| Reference | Schoenoplectus lacustris (L.) Palla |
| Schoenoplectus lacustris (L.) Palla | |
| Schoenoplectus lacustris (L.) Palla | |
| System and method for removing pollutants from water (US Patent 6652743/2003) | |
| Omproved effluent treatment system (WIPO Patent: WO/1999/032406) |
| June 2009 at Ohsaka City University Botanical Garden |
June 2009 at Ohsaka City University Botanical Garden |
June 2009 at Ohsaka City University Botanical Garden |