| Name | Puya coerulea var. violacea (Brongniart) L. B. Smith & G. Looser |
| Authorship | (Brongniart) L. B. Smith & G. Looser |
| Rank | Variety |
| Placed in | Puya coerulea Lindley |
| Citation | 1970 Phytologia 19: 287 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Puya coerulea var. violacea (Brongniart) L. B. Smith & G. Looser |
| Identification made in | 1986 (7) |