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| August 2006 at Mt. Yunomaru |
August 2006 at Mt. Yunomaru |
August 2006 at Mt. Yunomaru |
| Family | Iridaceae |
| Subfamily | Iridoideae |
| Tribe | Irideae |
| Scientific name | Iris ensata Thunberg |
| Synonyms | Iris ensata Thunberg var. pabularia Naudin; Iris ensata Thunberg var. spontanea (Makino) Nakai; Iris kaempferi Siebold ex Lemaire; Iris kaempferi Siebold ex Lemaire var. spontanea Makino; Iris laevigata Fischer var. kaempferi (Siebold ex Lemaire) Maximowicz; Iris pabularia hort. ex Hasselbr. |
| Common name | (Japanese common name) no-hana-shoubu (ノハナショウブ, 野花菖蒲 [meaning: field flowering iris]) |
| (English common name) Japanese iris, Japanese water iris, Japanese flag, Russian Iris | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia (eastern Siberia), Korea, China (northeast region) | |
| Habitat | acid soil fields, swamp, seaside |
| Chromosomal number | 2n=24 |
| Description | Leaves electing 30-60cm long, 5-12mm wide. Scapes 40-100cm tall, bracteoles green 5-8cm long. Flowers pedicelets 3-5cm long inside bracteoles, purple 10cm across, outer perianths 3-4cm wide with yello line at center, inner perianths electing ca. 4cm high, flowering in June to August. Fruits 2.5-3cm long. Perennial plants. |
| Reference | Iris ensata Thunb. |
| Iris ensata Thunberg | |
| Iris transformation method (US Patent 6459017/2002) | |
| Dietary food supplement containing natural cyclooxygenase inhibitors and methods for inhibiting pain and inflammation (US Patent 6818234/2004) | |
| Note | Iri general, Japanese people may clearly distinguish wild species (wild Japanese water iris = Iris ensata var. spontanea) from cultivated species (hybrid Japanese water iris = Iris ensata var. ensata (syn. Iris ensata Thunberg var. hortensis Makino et Nemoto; Iris kaempferi Siebold)) or artificial hybrids. |
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| August 2006 at Mt. Yunomaru |
August 2006 at Mt. Yunomaru |
August 2006 at Mt. Yunomaru |
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| June 2008 at seaside mountain slope in Niigata Prefecture |
June 2008 at seaside mountain slope in Niigata Prefecture |
June 2008 at seaside mountain slope in Niigata Prefecture |
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| cv. Sen-hime | cv. Sasa-ha-bune | cv. Otome-no-ken |
| July 2006 at lowland marsh |
June 2005 at lowland marsh |
June 2005 at lowland marsh |
