| Name | Oenothera arequipensis Munz & I. M. Johnston |
| Authorship | Munz & I. M. Johnston |
| Rank | Species |
| Placed in | Oenothera Linnaeus |
| Citation | 1925 Contr. Gray Herb. 75: 20 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oenothera arequipensis Munz & I. M. Johnston |
| Identification made in | 1974 (1) |