| Name | Cenchrus purpurascens Thunberg |
| Authorship | Thunberg |
| Rank | Species |
| Placed in | Cenchrus Linnaeus |
| Citation | 1794 Trans. Linn. Soc. London 2: 329 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Cenchrus purpurascens Thunberg |
| Identification made in | [no date] (15), 2020 (4) |