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| September 2006 at lowland field |
September 2006 at lowland field |
September 2006 at lowland field |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Persicaria orientalis (L.) Spach |
| Synonyms | Amblyogonum orientale (L.) Nakai; Amblygonum pilosum (Meisner) Nakai; Lagunea cochinchinensis Loureiro; Persicaria pilosum Roxburgh; Persicaria tibetica Rendle; Polygonum altissimum Moench; Polygonum amoenum Blume; Polygonum cochinchinense (Loureiro) Meisner; Polygonum deasyi Rendle; Polygonum orientale L.; Polygonum orientale L. var. pilosum Meisner; Polygonum pilosum Roxburgh; Polygonum spaethii Dammer; Polygonum speciosum Salisbury; Polygonum subcordatum Miquel; Polygonum tibeticum Rendle; Polygonum torquatum de Bruyn |
| Common name | (Japanese common name) oh-ke-tade (オオケタデ, 大毛蓼 [meaning: large shaggy tade (tade = Polygonaceae plants)]), oh-beni-tade (オオベニタデ, 大紅蓼 [meaning: large red tade]) |
| (English common name) kiss me over the garden gate, prince's feather, princess feather | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] Tropic Asia | |
| Habitat | Roadseide, field, riverside |
| Chromosomal number | 2n=22 |
| Description | Plants 1.5-1.8m tall. Leaves 10-25cm long, 5-15cm wide. Flowers inflorescences 2-8cm long, red or purple (merely white) perianths ca. 3-5mm long, flowering in August to November. Fruits 2.5-3mm long. Annual plants. |
| Reference | Persicaria orientalis (L.) Spach |
| Persicaria orientalis (L.) Spach | |
| Polygonum orientale L. | |
| Polygonum orientale L. | |
| Note | Naturalized plants (introduced in Edo era). |
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| September 2006 at lowland field |
September 2006 at lowland field |
September 2006 at lowland field |
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| September 2007 at lowland field |
September 2007 at lowland field |
