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| October 2007 at Nikko Botanical Garden |
October 2007 at Nikko Botanical Garden |
October 2007 at Nikko Botanical Garden |
| Family | Saxifragaceae |
| Scientific name | Saxifraga fortunei Hooker f. var. alpina (Matsumura & Nakai) Nakai |
| Synonyms | Saxifraga cortusaefolia Siebold & Zuccarini subvar. incisolobata Engler & Irmscher; Saxifraga cortusifolia Siebold & Zuccarini var. alpina Matsumura & Nakai; Saxifraga fortunei Hooker f. var. crassa Nakai; Saxifraga fortunei Hooker f. var. incisolobata (Engler & Irmscher) Nakai; Saxifraga fortunei Hooker f. var. incisolobata (Engler & Irmscher) Nakai forma alpina hort.; Saxifraga fortunei Hooker f. var. mutabilis (Koidzumi) H. Nakai & H. Ohashi; Saxifraga mutabilis (Koidzumi) Nakai & Ohashi |
| Common name | (Japanese common name) dai-monji-sou (ダイモンジソウ, 大文字草 [letter of '大' like flower weed]), miyama dai-monji-sou (ミヤマダイモンジソウ, 深山大文字草 [high mountain dai-monji-sou]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China | |
| Habitat | Rocks or wet field (sea level to subalpine) |
| Chromosomal number | 2n=22 |
| Description | Leaves 3-15cm long. Flowers ordinary white (merely pink or red), flowering in July to October. Fruits 0.8mm long. Perennial plants. |
| Reference | Saxifraga fortunei Hook. f. var. alpina (Matsum. & Nakai) Nakai |
| Note | Formerly, Japanese authors often identified lowland or mountane type plants
(Japanese common name: dai-monji-sou) as Saxifraga mutabilis (Koidzumi) Nakai & Ohashi (syn. Saxifraga fortunei Hooker f. var. incisolobata (Engler & Irmscher) Nakai), and subalpine type plants (Japanese common name: miyama dai-monji-sou) as Saxifraga cortusifolia Siebold & Zuccarini var. alpina Matsumura & Nakai. Flower of lowland ans mountane type plant looks like '大' letter, but flower of subalpine type plant doesn't. Today, these different latin names are consolidated into single latin name: Saxifraga fortunei Hooker f. var. alpina (Matsumura & Nakai) Nakai. |
| Shape and colors of this species are very variable. Therefore, selected many kinds of beautifl varieties have been cultivated in many places. |
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| October 2007 at Nikko Botanical Garden |
October 2007 at Nikko Botanical Garden |
October 2007 at Nikko Botanical Garden |
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| October 2007 at Nikko Botanical Garden |
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| October 2006 at Mt. Tsukuba |
October 2006 at Mt. Tsukuba |
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| Photo by Madame Popow |
| August 2007 at Subalpine field |
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| cv. Benibana | cv. hana-kanzashi | cv. momoko-hime |
| October 2007 at a nursery |
October 2007 at a nursery |
October 2007 at a nursery |
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| cv. seto-no-kagayaki | cv. buko-no-mai |
| October 2007 at a nursery |
October 2007 at a nursery |
