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| September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
| Family | Polygonaceae |
| Subfamily | Polygonoideae |
| Scientific name | Fallopia japonica (Houttuyn) Ronse Decraene var. compacta (Hooker f.) J. P. Bailey forma colorans Makino |
| Synonyms | (Synonyms of Fallopia japonica var. compacta forma colorans) Polygonum cuspidatum Siebold et Zuccarini forma colorans (Makino) Makino; Reynoutria japonica Houttuyn forma colorans (Makino) Nemoto (Synonyms of Fallopia japonica var. compacta) Fallopia japonica (Houttuyn) Ronse Decraene var. uzenensis (Honda) K. Yonekura & Ohashi; Polygonum cuspidatum Siebold & Zuccarini; Pleuropterus cuspidatus (Siebold & Zuccarini) Gross; Pleuropterus zuccarinii (Small) Small; Polygonum compactum Hooker f.; Polygonum cuspidatum Siebold & Zuccarini forma compactum (Hooker f.) Nakai; Polygonum cuspidatum Siebold & Zuccarini var. compactum (Hooker f.) L. H. Bailey; Polygonum reynoutria (Houttuyn) Makino; Polygonum reynoutria (Houttuyn) Makino forma colorans Makino; Polygonum reynoutria (Houttuyn) Makino var. compactum (Hooker f.) Nakai; Polygonum reynoutria (Houttuyn) Makino var. humilis Nakai; Polygonum sieboldii De Vriese, non Meisner; Polygonum sieboldii De Vriese, non Meisner var. compactum (Hooker f.) Hort ex L. H. Bailey; Polygonum zuccarinii Small; Reynoutria compacta (Hooker f.) Nakai; Reynoutria japonica Houttuyn; Reynoutria japonica Houttuyn var. compacta (Hooker f.) Moldenke; Reynoutria japonica Houttuyn var. humilis (Nakai) Nakai; Reynoutria japonica Houttuyn var. uzenensis Honda; Reynoutria uzenensis (Honda) Honda; Tiniaria japonica (Houttuyn) Hedberg |
| Common name | (Japanese common name) meigetu-so (メイゲツソウ, 名月草 [meaning: beautiful moon weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (north of Central region, high mountains) |
| (Other nations) none | |
| Habitat | Alpine of subalpine rocks or field |
| Chromosomal number | 2n=44 (4x) |
| Description | Plants 150cm tall. Leaves 6-14.5cm long. Flowers red or pink perinaths ca. 1.5mm long, flowering in July to September. Perennial plants. |
| Reference | Fallopia japonica (Houtt.) Ronse Decr. var. compacta (Hook. f.) J. P. Bailey |
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| September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
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| September 2007 at Tsukuba Botanical Garden |
