| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Podochilaeae (also placed in Dendrobieae) |
| Subtribe | Bulbophyllinae |
| Scientific name | Bulbophyllum helenae (Kuntze) J. J. Smith |
| Synonyms | Bulbophyllum cornutum (Lindley) Reichenbach f.; Cirrhopetalum cornutum Lindley; Phyllorchis cornuta (Lindley) Kuntze; Phyllorchis helenae Kuntze; Rhytionanthos cornutum (Lindley) Garay, Hamer & Siegerist |
| Distribution | China, Thailand, Myanmar, Nepal, Bhutan, India |
| Reference | Bulbophyllum helenae (Kuntze) J. J. Sm. |
| Rhytionanthos cornutum [Lindl.] Garay, Hamer & Siegerist 1994 |
| November 2008 at Tsukuba Botanical Garden |
November 2008 at Tsukuba Botanical Garden |