| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Collabieae |
| Scientific name | Calanthe reflexa Maximowicz |
| Synonyms | Alismorchis reflexa (Maximowicz) Kuntze; Calanthe puberula Lindley var. reflexa (Maximowicz) M. Hiroe; Paracalanthe reflexa (Maximovicz) Kudô |
| Common name | (Japanese common name) natsu ebine (ナツエビネ, 夏海老根 [meaning: summer ebine (ebine = Calanthe discolor)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea | |
| Habitat | Mountane wet forest. |
| Chromosomal number | 2n=40 |
| Description | Leaves 10-30cm long, 3-8cm wide. Scapes 20-40cm tall. Flowers pale purple sepals 13-18mm long, lips 7-10mm wide, flowering in August. Terrestrial. Perennial plants. |
| Note | Calanthe puberula has longer lip petal than Calanthe reflexa. Underside of leaf of Calanthe puberula var. okushirensis is hairy. Calanthe reflexa has no hair. |
| August 2006 at my home |
August 2006 at my home |
August 2006 at my home |
| April 2009 at my home |
June 2009 at my home |
| November 2009 at Tsukuba Botanical Garden |