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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Rumex crispus L. |
| Synonyms | Lapathum crispum (L.) Scopoli; Rumex coreanus Nakai; Rumex crispus L. var. mexicanus M. Martens & Galeotti; Rumex elongatus Gussone; Rumex patientia L. var. crispus (Linnaeus) Kuntze |
| Common name | (Japanese common name) nagaba-gishigishi (ナガバギシギシ, 長葉羊蹄 [meaning: long leaved gishigishi (gishigishi = Rumex japonicus)]) |
| (English common name) curly dock, sour dock, yellow dock | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Eurasia (worldwidw naturalaized) | |
| Habitat | Roadside, field, forest edge |
| Chromosomal number | (female) 2n=60 |
| Description | Plants 80-150cm tall. Leaves 10-30cm long, 3-8cm wide. Flowers green perianths ca. 4-5mm long, flowering in April to August. Perennial plants. |
| Reference | Rumex crispus L. |
| Rumex crispus L. | |
| Note | Naturalized plants (first recorded in 1981). There are many types of natural hybrid of Rumex japonicus and Rumex crispus. |
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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
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| May 2007 at lowland forest edge |
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| May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
May 2007 at lowland forest edge |
