⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Lupinus bicolor in version 1.1 of The Plant List.
This name is a synonym of Lupinus bicolor subsp. tridentatus .
The record derives from Tropicos which reports it as a synonym (record 13010340
) with original publication details: Bull. Torrey Bot. Club 50(12): 377-380, f. 87 377 1923.