| Name | Macropiper melanostachyum (C. de Candolle) A. C. Smith |
| Authorship | (C. de Candolle) A. C. Smith |
| Rank | Species |
| Placed in | Macropiper |
| Citation | 1975 Bot. J. Linn. Soc. 71(1): 19 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Macropiper melanostachyum (C. de Candolle) A. C. Smith |
| Identification made in | [no date] (6) |