| Family | Orchidaceae |
| Subfamily | Epidendroideae |
| Tribe | Maxillarieae |
| Subtribe | Oncidiinae |
| Scientific name | Zelenkoa onusta (Lindley) M. W. Chase & N. H. Williams |
| Synonyms | Oncidium holochrysum Reichenbach f.; Oncidium onustum Lindley |
| Distribution | Panama, Ecuador, Colombia, Peru |
| Reference | Zelenkoa onusta (Lindl.) M. W. Chase & N. H. Williams |
| Oncidium onustum Lindley 1833 | |
| Life History Evolution and Genome Size in Subtribe Oncidiinae (Orchidaceae) | |
| Note | Photos below are those of an orchid (Zel. onusta) which was cultivated by Mr. Takashi Hoshi and displayed at the Orchid Show 2009 in Sunshine City (Tokyo, Japan). |
| January 2009 at Sunshine City |
January 2009 at Sunshine City |