| Name | Streptocalyx angustifolius Mez |
| Authorship | Mez |
| Rank | Species |
| Placed in | Streptocalyx Beer |
| Citation | 1892 Fl. Bras. [Martius] 3(3): 283, pl. 62. |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Streptocalyx angustifolius Mez |
| Identification made in | [no date] (1), 1930 (1), 1951 (1), 1972 (1) |