| 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) | 
