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| May 2008 at lowland swamp |
May 2008 at lowland swamp |
May 2008 at lowland swamp |
| Family | Orchidaceae |
| Subfamily | Vanilloideae |
| Tribe | Pogoniinae |
| Scientific name | Pogonia japonica Reichenbach f. |
| Synonyms | Pogonia japonica Reichenbach f. forma albiflora Y. N. Lee; Pogonia japonica Reichenbach f. forma lineariperiantha Satomi & T. Ohsawa; Pogonia japonica Reichenbach f. forma pallescens Tatewaki; Pogonia kungii T. Tang & F. T. Wang; Pogonia ophioglossoides (L) Ker Gawler var. japonica (Reichenbach f.) Finet; Pogonia parvula Schlechter; Pogonia similis Blume |
| Common name | (Japanese common name) toki-sou (トキソウ, 朱鷺草 [meaning: Japanese crested ibis weed]) |
| (Chinese common name) zhu lan (朱兰) | |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Russia (Far East) | |
| Chromosomal number | 2n=18, 20 |
| Description | Plants electing 15-30cm tall. Leaves 3-10cm long, 7-15mm wide. Flowers pale purple, pink or white, lip 1.5-2.5cm, flowering in May to July. Terrestrial. Perennial plants. |
| Habitat | Swamp. |
| Reference | Pogonia japonica Rchb. f. |
| Pogonia japonica H. G. Reichenbach | |
| Pogonia japonica | |
| Karyotype in Pogonia japonica (Orchidaceae) in Khasan District, Primorye Territory, Russia | |
| Note | Rare species |
| Pogonia minor (Makino) Makino (syn. Pogonia japonica Reichenbach f. var. minor Makino) is not a synonym of Pogonia japonica .Pogonia minor occurs mainly in mountain forest. |
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| May 2008 at lowland swamp |
May 2008 at lowland swamp |
May 2008 at lowland swamp |
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| May 2008 at lowland swamp |
May 2008 at lowland swamp |
May 2008 at lowland swamp |
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| May 2008 at Kyoto Botanical Garden |
May 2008 at Kyoto Botanical Garden |
May 2008 at Kochi Prefecture Makino Botanical Garden |
