| Name | Lupinus sparsiflorus var. inopinatus C. P. Smith |
| Authorship | C. P. Smith |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Lupinus sparsiflorus Bentham |
| Citation | 1920 Bull. Torrey Bot. Club 47: 500 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lupinus sparsiflorus var. inopinatus C. P. Smith |
| Identification made in | 1969 (1) |