Crotalaria rotundifolia Walter ex J.F. Gmelin. Low Rattlebox, Rabbitbells. Hab: Sandy forests and woodlands, roadsides. Dist: Se. VA south to c. peninsular FL, west to se. LA; also widespread in Mexico.

Origin/Endemic status: Native

Synonymy: = S, S13, Leverett & Woods (2012), Ward (2010d); = Crotalaria rotundifolia Walter ex J.F.Gmel. var. vulgaris Windler – Va, Windler (1974); = n/a – Tat; < Crotalaria angulata – F, G, RAB, misapplied; < Crotalaria rotundifolia Walter ex J.F.Gmel. – C, Fl3, FNA11.1, K1, K3, Mex, SE3, WH3, Isely (1986b), Isely (1998)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: UPL
• Northcentral & Northeast: UPL (taxonomic split from wetland indicator species)

Heliophily: 8