Burrnut or Jamaican feverplant Key West Field Guide, vegetable Tribulus cistoides Tribulus cistoides flower Tribulus cistoides fruit
Greater caltrop Key West Field Guide, vegetable Kallostroemia maxima Kallstroemia maxima flower and leaves
Jamaican Feverweed Key West Field Guide, vegetable Tribulus cistoides Formerly known as Kallstroemia cistoides. Tribulus cistoides flower