| Family | Orchidaceae |
| Subfamily | Orchidoideae |
| Tribe | Orchideae |
| Subtribe | Orchidinae |
| <Scientific name | Platanthera ussuriensis (Regel & Maack) Maximovicz |
| Synonyms | Habenaria shensiana Kränzlin; Habenaria ussuriensis (Regel & Maack) Miyabe; Perularia shensiana (Kränzlin) Schlechter; Perularia ussuriensis (Regel) Schlechter; Platanthera herbiola Lindley var. japonica Finet; Platanthera shensiana (Kränzlin) Tang & F.T. Wang; Platanthera tipuloides Lindley var. ussuriensis Regel & Maack; Perularia ussuriensis (Maximowicz) Schlechter; Tulotis shensiana (Kränzlin) H. Hara; Tulotis ussuriensis (Regel & Maack) H. Hara |
| Common name | (Japanese common name) tonbo-sou (トンボソウ, 蜻蛉草 [meaning: dragonfly weed]) |
| (Chinese common name) dong ya she chun lan (東亜舌唇蘭) | |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Sikoku, Kyushu |
| (Other nations) Russia (Far East), Korea, China | |
| Habitat | Mountane wet forest, mountane forest edge |
| Chromosomal number | 2n=42 |
| Description | Plants 15-35cm tall. Leaves 5-15cm long, 1-3cm wide. Flowers green upper sepals 1.5-2mm long, side sepals 3mm long, lip petals 3-3.5mm long, flowring in July to August. Terrestrial. Perennial plants. |
| Reference | Platanthera ussuriensis (Regel) Maximowicz |
| Platanthera ussuriensis (Regel & Maack) Maxim. | |
| Platanthera ussuriensis (Regel) Maxim. 1887 | |
| Note | Relatively rare. |
| July 2010 at my home |
July 2010 at my home |
July 2010 at my home |
| July 2010 at my home |
| April 2009 at mountane streamside |