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| May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
| Family | Iridaceae |
| Subfamily | Iridoideae |
| Tribe | Irideae |
| Scientific name | Iris laevigata Fischer ex Turczaninow |
| Synonyms | Iris albopurpurea Baker; Iris maacki Maximovicz; Iris phragmitetorum Handel-Mazzetti |
| Common name | (Japanese common name) kakitsubata (カキツバタ, 杜若 [meaning: dye flower]) |
| (English common name) shallow-flower | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China | |
| Habitat | Swamp |
| Chromosomal number | 2n=32, 36 |
| Description | Leaves 30-90cm long, 1-3cm wide. Scapes 40-80cm tall, bracts 5-7cm long. Flowers blue purple (or merely white) outer perianths 5-7cm wide with white line at center, inner perianths electing ca. 6cm long, flowering in May to June. Fruits 4-5.5cm long. Perennial plants. |
| Reference | Iris laevigata Fischer |
| Iris laevigata Fisch. |
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| May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
May 2007 at Tsukuba Botanical Garden |
