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

Depending on cold, this may keep its leaves all year or die back during the winter. In colder areas, consider growing it as an annual. It adapts well , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Depending on site, this plant may spread more than preferred, but easy to pull up if it is not wanted , Did You Know?, Aroma, fragrance, Interesting foliage Larval host for Fulvous Hairstreak. Attracts pollinators

There is a natural dwarf form that is associated with xeric uplands.  I makes a nice, low-growing shrub in casual gardens. Good as a background or he , Tolerance, Tolerant of occasional/brief inundation such as can occur in storm surges. Moderate. Tolerant of salty wind and may get some salt spray. Exposure t , Considertions, It is flammable, so plant away from buildings in fire-prone areas. It fixes nitrogen with its roots like a legume, so it tolerates poor soils. , Wildlife, Good wildlife cover. Seeds eaten by birds. , Habitat, Wet-dry sites. Upland mixed forest, floodplains, wetland edges, cutthroat seeps, old fields, scrub, fencerows , Did You Know?, Hurricane wind resistance Larval host for banded hairstreak (Satyrium calanus) and red-banded hairstreak (Calycopis cecrops)butterflies.