Lupinus diffusus Nuttall. Blue Sandhill Lupine. Phen: Mar-May; Jun-Jul. Hab: Longleaf pine sandhills, sandy roadsides. Dist: Se. NC south to Panhandle FL, west to s. MS.
Origin/Endemic status: Endemic
Taxonomy Comments: We concur with Duncan & McCartney (1992) in recognizing L. cumulicola Small of peninsular FL as distinct from L. diffusus. Moreover, Atchison et al. (2014) showed that at least one additional taxon (here listed as Lupinus species 1) should be segregated from L. diffusus s.l.
Synonymy ⓘ: = Bridges & Orzell (2024a), Bridges et al. () (in prep); < Lupinus diffusus Nutt. – Fl3, FNA11.1, K1, K3, K4, RAB, S, S13, SE3, WH3, Isely (1998)
Links to other floras: < Lupinus diffusus - FNA11.1
Heliophily ⓘ: 9
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