| Family | Orchidaceae |
| Subfamily | Orchidoideae |
| Tribe | Orchideae |
| Subtribe | Orchidinae |
| Scientific name | Habenaria stenopetala Lindley |
| Synonyms | Habenaria amanoana Ohwi; Habenaria delessertiana Kränzlin; Habenaria linearipetala Hayata; Habenaria rhynchocarpa (Thwaites) Hooker f.; Habenaria sutepensis Rolfe ex Downie; Platanthera rhynchocarpa Thwaites |
| Common name | (Japanese common name) tetsuo-sagisou (テツオサギソウ, テツオ鷺草 [meaning: tetsuo heron grass (meaning of tetsuo is unknown)]); nagaba-sagisou (ナガバサギソウ, 長葉鷺草 [meaning: long leaved heron grass]) |
| (English common name) none | |
| Distribution | (Japan) Okinawa |
| (Other nations) China, Taiwan, Philippines, Vietnam, Thailand, Nepal, India | |
| Habitat | Mountane wet forest |
| Chromosomal number | 2n=42, 46 |
| Description | Plants electing ca. 30-80cm tall. Leaves ca. 12-20cm long, ca. 2-3cm wide. Flowers pale green, sepals ca. 8-10mm long, side petals ca. 8-10mm long, lips ca. 10mm long, flowering in December to January. Terrestrial. Winter green. Perennial plants. |
| Reference | Habenaria stenopetala Lindl. |
| Habenaria stenopetala Lindley | |
| Habenaria stenopetala Lindl. | |
| Habenaria stenopetala Lindl. | |
| Note | Photos below are those of an orchid which was cultivated by Mr. Shunji Mitsuhashi in his greenhause. |
| January 2010 at Mr. Mitsuhashi's greenhause |
January 2010 at Mr. Mitsuhashi's greenhause |
January 2010 at Mr. Mitsuhashi's greenhause |
| January 2010 at Mr. Mitsuhashi's greenhause |
January 2010 at Mr. Mitsuhashi's greenhause |