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| Photo by Mr. Ponpoko | Photo by Mr. Ponpoko | Photo by Mr. Ponpoko |
| August 2008 at Mr. Ponpoko's garden |
November 2007 at swamp |
August 2008 at Mr. Ponpoko's garden |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Persicaria praetermissa (Hooker f.) H. Hara |
| Synonyms | Persicaria auriculata S. K. Dixit et al.; Persicaria hastatoauriculata (Makino ex Nakai) H. Gross ex Nakai; Polygonum auriculatum Makino; non Meisner, nor Hooker f. & Thomson; Polygonum birmanicum Gage; Polygonum hastatoauriculatum Makino ex Nakai; Polygonum thunbergii (Siebold & Zuccarini) H. Gross var. hastatotrilobum subvar. eciliolatum H. Léveillé; Tracaulon praetermissum (Hooker f.) Greene; Truellum hastatoauriculatum (Makino ex Nakai) Soják; Truellum praetermissum (Hooker f.) Soják |
| Common name | (Japanese common name) hosoba-no-unagi-tsukami (ホソバノウナギツカミ, 細葉鰻掴 [meaning: narrow leaved eel chatcher)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Philippines, Australia, Nepal, Bhutan, India, Sri Lanka | |
| Habitat | Swamp, rice paddy |
| Chromosomal number | unknown |
| Description | Plants 30-80cm tall. Leaves 4-10cm long. Flowers pink or red perianths ca. 3mm long, flowering in May to October. Fruits ca. 3mm long. Annual plants. |
| Reference | Polygonum praetermissum J. D. Hooker |
| Note | Rare species. |
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| Photo by Mr. Ponpoko | Photo by Mr. Ponpoko | Photo by Mr. Ponpoko |
| August 2008 at Mr. Ponpoko's garden |
November 2007 at swamp |
August 2008 at Mr. Ponpoko's garden |
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| Photo by Mr. Ponpoko |
| February 2008 at Mr. Ponpoko's garden |
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| September 2005 at swamp |
September 2005 at swamp |
September 2005 at swamp |
