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| October 2006 at lowland field |
October 2006 at lowland field |
October 2006 at lowland field |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Persicaria perfoliata (L.) H. Gross |
| Synonyms | Ampelygonum perfoliatum (L.) Roberty & Vautier; Chylocalyx perfoliatus (L.) Hasskarl ex Miquel; Echinocaulon perfoliatum (L.) Meisner ex Hasskarl; Fagopyrum perfoliatum (L.) Rafinesque; Polygonum arifolium L. var. perfoliatum L.; Polygonum perfoliatum L.; Tracaulon perfoliatum (L.) Greene; Truellum perfoliatum (L.) Soják. |
| Common name | (Japanese common name) ishimikawa (イシミカワ [meaning of ishimikawa is unknown]) |
| (English common name) devil's-tail tearthumb, giant climbing tearthumb, mile-a-minute-vine, mile-a-minute-weed, minuteweed, tearthumb | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) Russia, Korea, China, Taiwan, Philippines, Vietnam; Thailand, Malaysia, Indonesia, New Guinea, Bangladesh, Nepal, Bhutan, India | |
| Habitat | Roadside, rice paddy, swamp, riverside |
| Chromosomal number | 2n=24 |
| Description | Plants 1-2m long. Leaves 3-6cm long. Flowers green perianths ca. 3-4mm long, flowering in July to October. Vine. Annual plants. |
| Reference | Persicaria perfoliata (L.) H. Gross |
| Polygonum perfoliatum Linnaeus |
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| October 2006 at lowland field |
October 2006 at lowland field |
October 2006 at lowland field |
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| October 2006 at lowland field |
October 2006 at lowland field |
