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| May 2007 at riverside |
May 2007 at riverside |
May 2007 at riverside |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Rumex conglomeratus Murray |
| Synonyms | Rumex acutus Smith, non L.; Rumex acutus L.; Rumex campestris Savi; Rumex conglomeratus Murray subsp. nevadensis H. Lindberg f.; Rumex divaricatus Thuillier; Rumex dubius Retzius; Rumex glomeratus Schreber; Rumex lachanus Forsskål; Rumex nemolapathum Ehrhart; Rumex nemorosus Schrader ex Willdenow; Rumex paludosus Withering; Rumex pusillus Delarbre; Rumex undulatus Schrank; Rumex verticillatus Villars; |
| Common name | (Japanese common name) arechi-gishigishi (アレチギシギシ, 荒地羊蹄 [meaning: wasteland gishigishi (gishigishi = Rumex japonicus)]) |
| (English common name) clustered dock, clustered green dock, green dock, sharp dock | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Russia, Caucasus, Tajikistan, Turkmenistan, Uzbekistan, Afghanistan, Iran, Iraq, Israel, Jordan, Lebanon, Syria, Turkey, Cyprus, Europe, Algeria, Libya, Morocco, Tunisia | |
| Habitat | Roadside, field, riverside |
| Chromosomal number | (female) 2n=20 |
| Description | Flower electing 40-120cm tall. Leaves 8-18cm long, 2-7cm wide. Flowers perianths ca. 2.5-3mm long, flowering in May to July. Perennial plants. |
| Reference | Rumex conglomeratus Murray |
| Rumex conglomeratus Murray | |
| Rumex conglomeratus Murr. | |
| Antioxidant and an oxidation resistant polyunsaturated oil (US Patent 5166375/1992) | |
| Note | Naturalized plants (first discovered at Yokohama City in 1905). |
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| May 2007 at riverside |
May 2007 at riverside |
May 2007 at riverside |
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| May 2007 at riverside |
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| May 2007 at riverside |
May 2007 at riverside |
May 2007 at riverside |
