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| September 2006 at rice paddy |
September 2006 at rice paddy |
| Family | Onagraceae |
| Subfamily | Ludwigioideae |
| Scientific name | Ludwigia epilobioides Maximovicz |
| Synonyms | Jussiaea fauriei H. Léveillé; Jussiaea japonica H. Léveillé; Jussiaea parmentieri H. Léveillé; Jussiaea philippiana H. Léveillé; Jussiaea prostrata auct., non (Roxburgh) H. Léveillé; Jussiaea prostrata (Roxburgh) H. Léveillé var. fauriei (H. Léveillé) H. Léveillé; Jussiaea prostrata (Roxburgh) H. Léveillé var. parmentieri (H. Léveillé) H. Léveillé; Jussiaea prostrata (Roxburgh) H. Léveillé var. philippiana (H. Léveillé) H. Léveillé; Nematopyxis japonica Miquel |
| Common name | (Japanese common name) choji-tade (チョウジタデ, 丁子蓼 [meaning: clove shaped flowers and tade like leaves (tade = Polygonaceae plants)]), ta-gobo (タゴボウ, 田牛蒡 [meaning: rice paddy gobo (gobo = strong roots weed)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan, Vietnam | |
| Habitat | Swamp, rice paddy |
| Chromosomal number | 2n=48 |
| Description | Plants electing 30-70cm tall. Leaves 3-10cm long, 2.5-7mm wide. Flowers yellow, flowering in August to October. Annual plants. |
| Reference | Ludwigia epilobioides Maximowicz |
| Compositions for curing diabetes mellitus, processes for the preparation of same, and usage of same (US Patent 5773004/1998) | |
| Note | Flora of China has describes 'The fine distinction found between typical Ludwigia epilobioides and subsp. greatexii in Japan is not apparent in other material of this species. The two taxa are therefore not separated in this treatment'. |
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| September 2006 at rice paddy |
September 2006 at rice paddy |
