| Name | Hoya obscura Elmer ex C. M. Burton |
| Authorship | Elmer ex C. M. Burton |
| Rank | Species |
| Placed in | Hoya R. Brown |
| Citation | 1986 Hoyan 8(1): 15 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Hoya obscura Elmer ex C. M. Burton |
| Identification made in | [no date] (6), 1985 (2), 1988 (2), 2017 (2) |