| Name | Gaura hexandra subsp. gracilis (Wooton & Standley) P. H. Raven & D. P. Gregory |
| Authorship | (Wooton & Standley) P. H. Raven & D. P. Gregory |
| Rank | Subspecies |
| Placed in | Gaura hexandra Ortega |
| Citation | 1972 Mem. Torrey Bot. Club 23(1): 87 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Gaura hexandra subsp. gracilis (Wooton & Standley) P. H. Raven & D. P. Gregory |
| Identification made in | [no date] (22), 1600 (2) |