| Name | Oenothera perangusta var. rubricalyx R. R. Gates |
| Authorship | R. R. Gates |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera perangusta R. R. Gates |
| GUID | urn:lsid:ipni.org:names:312961-2 |
| Citation | 1950 Canad. Field-Naturalist 64: 143 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Oenothera perangusta var. rubricalyx R. R. Gates |
| Identification made in | [no date] (1), 2016 (2) |