| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Arethuseae |
| Subtribe | Bletiinae |
| Scientific name | Spathoglottis plicata Blume |
| Synonyms | Bletia angustifolia Gaudichaud; Calanthe poilanei Gagnepain; Paxtonia rosea Lindley; Phaius rumphii Blume; Spathoglottis angustifolia (Gaudichaud) Bentham & Hooker f.; Spathoglottis augustorum Reichenbach f.; Spathoglottis daenikeri Kränzlin; Spathoglottis lilacina Griffith; Spathoglottis plicata Blume var. minahassae Schlechter; Spathoglottis rosea (Lindley) G. Nicholson; Spathoglottis spicata Lindley; Spathoglottis vieillardii Reichenbach f.; Spathoglottis wrayi Hooker f. |
| Common name | (Japanese common name) koutou-siran (コウトウシラン, 紅頭紫蘭 [meaning: red top purple orchid]) |
| (English common name) Philippine ground orchid, pleated leaf Spathoglottis | |
| Distribution | (Japan) Okinawa (Yaeyama Islands) |
| (Other nations) Taiwan, Philippines, Thailand, Malaysia, Indonesia, New Guinea, New Caledonia, Samoa, Solomon Islands, Tonga, Australia, India | |
| Habitat | Field, roadside, beach |
| Chromosomal number | 2n=18, 40, 42, 60 |
| Description | Plants electing 50-80cm tall. Leaves 30-80cm long, 5-7cm wide. Flowers pale purple, pink or white sepals 1.5-2cm long, 8-10mm wide. Terrestrial. Perennial plants. |
| Reference | Spathoglottis plicata Blume |
| Spathoglottis plicata Blume 1825 | |
| Spathoglottis plicata Blume | |
| Hair growth promoter (US Patent 5750107/1998) | |
| Note | Invasice plant |
| October 2007 at Tsukuba Botanical Garden |
October 2007 at Tsukuba Botanical Garden |
| February 2006 at New York Botanical Garden |
February 2006 at New York Botanical Garden |