First time I have seen this flowering vine, the Fourleaf Vetch. This is a native plant and grows in and around moist areas.

Fourleaf Vetch | February 28 | Alice Mary Herden
Not a heat-loving type of plant, however, provides nectar for a variety of bees and butterflies during the cooler months in Florida.

Fourleaf Vetch | February 28 | Alice Mary Herden
Links:
http://florida.plantatlas.usf.edu/plant.aspx?id=2647
http://www.wildsouthflorida.com/fourleaf.vetch.html#.XH5a0vZFx9A
Categories: Florida State Forest, Goethe State Forest, Host Plants, Native Plants