*Tribulus terrestris Linnaeus. Puncture-weed, Caltrop, Devil’s-thorn. Phen: Mar-Dec. Hab: Dunes, sandy roadsides, ballast. Dist: Native of Mediterranean Europe.
Origin/Endemic status: Mediterranean Europe and Africa
Synonymy: = Ar, Bah, C, F, Fl3, FNA12, G, GrPl, Il, K1, K3, K4, NcTx, NE, NY, Pa, RAB, S, Tx, WH3, WI
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© Aidan Campos 
© Paul Marcum 
© Aidan Campos 
© Paul Marcum 
© Paul Marcum 
© Paul Marcum 
© Aidan Campos 
© Radford, Ahles and Bell | Original Image ⭷