Not an accepted name (status: unknown). The accepted name is Lupinus argenteus var. rubricaulis (Greene) S.L.Welsh, 1978.

Lupinus argenteus subsp. rubricaulis Pursh, 1813 25% complete

No common name

Fl. Amer. Sept. 2: 468 (1813)

There is no corrections for Lupinus argenteus subsp. rubricaulis yet.