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| October 2007 at rice paddy |
October 2007 at rice paddy |
October 2007 at rice paddy |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Persicaria muricata (Meisner) Nemoto |
| Synonyms | Persicaria muricata (Meisner) Nemoto; Persicaria nipponica (Makino) Nakai; Persicaria nipponensis (Makino) H. Gross ex Nakai; Persicaria nipponensis (Makino) H. Gross ex Nakai forma albiflora (Makino) Nemoto; Polygonum asperulum Wallich; Polygonum benguetense Merrill; Polygonum hastatosagittatum Makino var. latifolium Makino; Polygonum kirinense S. X. Li & Y. L. Chang; Polygonum muricatum Meisner; Polygonum nipponense Makino; Polygonum nipponense Makino forma albiflorum Makino; Polygonum oliganthum Diels; Polygonum strigosum R. Brown var. benguetense (Merrill) Steward; Polygonum strigosum R. Brown var. muricatum (Meisner) Steward; Polygonum thunbergii Siebold & Zuccarini var. spicatum H. Léveillé; Polygonum uniflorum Y. X. Ma & Y. T. Zhao; Tracaulon muricatum (Meisner) Greene; Truellum benguetense (Merrill) Soják; Truellum muricatum (Meisner) Soják; Truellum nipponense (Makino) Soják |
| Common name | (Japanese common name) yanone-gusa (ヤノネグサ, 矢根草 [meaning: arrowhead weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China, Taiwan, Thailand, Nepal, India | |
| Habitat | Swamp |
| Chromosomal number | 2n=22 |
| Description | Plants creeping 50cm tall. Leaves 2.5-8.5cm long. Flowers pale purple or white perianths ca. 2.5mm long, flowering in September to October. Perennial plants. |
| Reference | Polygonum muricatum Meisner |
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| October 2007 at rice paddy |
October 2007 at rice paddy |
October 2007 at rice paddy |
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| October 2007 at rice paddy |
October 2007 at rice paddy |
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| October 2007 at rice paddy |
October 2007 at rice paddy |
