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| July 2007 at Mt. Johnen (Photo by my elder son) |
| Family | Oxalidaceae |
| Scientific name | Oxalis acetosella L. |
| Synonyms | Acetosella alba Kuntze; Oxalis acetosella auct. non L.; Oxalis acetosella L. forma montana Rafinesque; Oxalis acetosella L. forma rosea Terao; Oxalis acetosella L. subsp. montana (Rafinesque) Hultén ex D. Löve; Oxalis acetosella L. var. diversifolia Nakai; Oxalis acetosella L. var. parviflora (Lejeune) P. Fournier; Oxalis acetosella L. var. purpurascens Martius; Oxalis acetosella L. var. rhodantha (Fernald) R. Knuth; Oxalis alba Dulac; Oxalis alba Gilibert; Oxalis alba Steudel; Oxalis americana Bigelow ex de Candolle; Oxalis americana Bigelow ex de Candolle forma rhodantha Fernald; Oxalis longiflora L.; Oxalis montana Rafinesque; Oxalis montana Rafinesque forma rhodantha (Fernald) Fernald; Oxalis nemoralis Salisbury; Oxalis parviflora Lejeune; Oxalis taquetii Kunth; Oxalis vulgaris S. F. Gray; Oxys acetosella (L.) Scopoli; Oxys alba Lamarck; Oxys pliniana Bubani |
| Common name | (Japanese common name) ko-miyama-katabami (コミヤマカタバミ, 小深山片喰 [meaning: small mountain oxalis]) |
| (English common name) cuckoo-bread, European wood-sorrel, Irish shamrock, wood-sorrel | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, China, Monglia, Myanmar, Nepal, Bhutan, Caucasus, Turkey, Europe, Northern Africa, Canada, USA | |
| Habitat | Subalpine forest |
| Chromosomal number | 2n=22, 44 |
| Description | Leaves 1-3 leaflets, each 7-12mm wide, petioles 3-10cm long. Scapes 5-15cm long. Flowers white with purple lines ca. 2-3cm across, flowering in May to August. Perennial plants. |
| Reference | Oxalis acetosella L. |
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| July 2007 at Mt. Johnen (Photo by my elder son) |
