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| October 2006 at Koishikawa Botanical Garden |
October 2006 at Koishikawa Botanical Garden |
October 2006 at Koishikawa Botanical Garden |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Fagopyrum dibotrys (D. Don) H. Hara |
| Synonyms | Fagopyrum acutatum (Lehmann) Mansfeld ex K. Hammer; Fagopyrum cymosum (Treviranus) Meisner; Fagopyrum megaspartanium Q. F. Chen; Fagopyrum pilus Q. F. Chen; Polygonum acutatum Lehmann; Polygonum cymosum Treviranus; Polygonum dibotrys D. Don; Polygonum labordei H. Léveillé & Vaniot; Polygonum tristachyum H. Léveillé; Polygonum volubile Turczaninow |
| Common name | (Japanese common name) shakuchiri- soba (シャクチリソバ, 赤地利蕎麦 [shakuchiri = a Japanese pronunciation of old Chinese common name of Fagopyrum dibotrys (modern Chinese common name is jin qiao), soba = buckwheat]), shukkon soba (シュッコンソバ, 宿根蕎麦 [meaning: perennial soba]). |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) [native] China, Vietnam, Myanmar, Bhutan, Nepal, India | |
| Habitat | Forest, forest edge |
| Chromosomal number | 2n = 24, 32 |
| Description | Plants 50-120cm tall. Leaves 5-15cm long, 4-14cm wide. Flowers white perianths ca. 2-3mm long, flowering in July to October. Perennial plants. |
| Reference | Fagopyrum dibotrys (D. Don) H. Hara |
| Fagopyrum dibotrys (D. Don) H. Hara | |
| Note | Naturalized plants (introduced from China in 1920th, widely naturalized in 1960th). |
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| October 2006 at Koishikawa Botanical Garden |
October 2006 at Koishikawa Botanical Garden |
October 2006 at Koishikawa Botanical Garden |
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| October 2006 at Koishikawa Botanical Garden |
October 2006 at Koishikawa Botanical Garden |
