| Name | Astragalus beckwithii var. purpureus M. E. Jones |
| Authorship | M. E. Jones |
| Rank | Variety |
| Placed in | Astragalus beckwithii Torrey & A. Gray |
| Citation | 1893 Zoe 3(4): 288 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Astragalus beckwithii var. purpureus M. E. Jones |
| Identification made in | [no date] (5) |