According to Kew Gardens, it is from Central America and probably Cuba and Florida.   After going through the photos and labels for specimens in the S , Tolerance, Unknown Some tolerance to salty wind but not direct salt spray. , Considertions, Noted for being weedy. , Habitat, Disturbed. Old orange groves, pasture, roadsides. May occur naturally along the west FL coast including shell mounds and dunes . All records for in , Did You Know?, Showy flowers

This  little plant produces two flowers with ovaries that fuse into a single fruit. Typically grown as a curiosity. This is a very small plant that a , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Wildlife, Birds  and small mammals consume the berries which mature in the fall and are retained through the winter and spring. , Habitat, Hammocks, upland hardwood forests, upland mixed forest, seep slopes, second bottom and levees in floodplains. , Did You Know?, Showy flowers, Showy fruits, Interesting foliage Bumblebees pollinate the flowers. Cross-pollination, required for seed set, is controlled by factors