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| April 2007 at my home |
April 2006 at my home |
May 2007 at my home |
| Family | Iridaceae |
| Subfamily | Iridoideae |
| Tribe | Irideae |
| Scientific name | Iris japonica Thunberg |
| Synonyms | Iris chinensis Curtis, not Bunge; Iris chinensis Thunberg, not Bunge; Iris fimbriata Ventenat; Iris tectorum Maximovicz |
| Common name | (Japanese common name) shaga (シャガ, 射干 [meaning: shaga = Chinese name of Belamcanda chinensis (misunderstanding or mistransported name)]) |
| (English common name) butterfly flower, crested iris, Japanese iris, putchock, fringed iris | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) China, Myanmar | |
| Habitat | Mountain slope in mountane forest |
| Chromosomal number | 2n=24, 28, 34, 36, 54, 56 |
| Description | Leaves 30-60cm long, 2-3.5cm wide. Scapes 30-70cm tall. Flowers white with pale blue spots ca. 5cm across, calyx ca. 15mm long, flowering in April to May. Perennial plants. |
| Reference | Iris japonica Thunb. |
| Iris japonica Thunb. | |
| Note | Iris japonica Thunberg is thought to be a naturalized species from China in ancient era. |
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| April 2007 at my home |
April 2006 at my home |
May 2007 at my home |
