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| May 2009 at Tsukuba Botanical Garden |
May 2009 at Tsukuba Botanical Garden |
May 2009 at Tsukuba Botanical Garden |
| Family | Cyperaceae |
| Scientific name | Eleocharis mamillata (H. Lindberg) H. Lindberg var. cyclocarpa Kitagawa |
| Synonyms | Eleocharis cyclocarpa (Kitagawa) Kitagawa; Eleocharis mamillata (H. Lindberg) H. Lindberg subsp. ussuriensis (Zinserling) T. V. Egorova; Eleocharis palustris R. Brown var. typica (Ascherson & Graebner) Rouy; Eleocharis satoi Ohwi; Eleocharis ussuriensis Zinserling |
| Common name | (Japanese common name) oh-numa-hari-i (オオヌマハリイ, 大沼針藺 [meaning: large swamp needle rush]), numa-hari-i (ヌマハリイ, 沼針藺 [meaning: swamp needle rush]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Kyushu |
| (Other nations) Eurasia | |
| Habitat | Swamp |
| Chromosomal number | 2n=20 |
| Description | Plants culms 30-60cm tall. Flowers 1-3cm long, flowering in July to October. Perennial plants. |
| Reference | Eleocharis mamillata (H. Lindberg) H. Lindberg |
| Eleocharis mamillata var. cyclocarpa Kitag. | |
| Eleocharis mamillata subsp. ussuriensis T.V. Egorova | |
| Karyomorphological Studies on 6 Taxa of Eleocharis in Japan | |
| Eleocharis mamillata ? Distribution and infraspecific differentiation |
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| May 2009 at Tsukuba Botanical Garden |
May 2009 at Tsukuba Botanical Garden |
May 2009 at Tsukuba Botanical Garden |
