I don't think it is officially recognized as being a FL native but it is naturalized. It is native to a wide area of the coastal tropics. According to GRIN here is its native range;
•AFRICA
East Tropical Africa: Kenya
West Tropical Africa: Cote D'Ivoire; Liberia
Southern Africa: South Africa - KwaZulu-Natal
Western Indian Ocean: Madagascar; Mauritius; Seychelles
•ASIA-TEMPERATE
China: China - Guangdong, Hainan; Hong Kong
•ASIA-TROPICAL
North Indian Ocean: Maldives
Malesia: Indonesia - Java, Sumatra; Papua New Guinea; Philippines; Singapore
•AUSTRALASIA
Australia: Australia - Northern Territory, Queensland
•NORTHERN AMERICA
Northern Mexico: Mexico - Tamaulipas
Central Mexico: Mexico - Guerrero, Jalisco, Michoacan, Nayarit, Veracruz
•PACIFIC
Northwestern Pacific: Guam; Marshall Islands; Micronesia - Pohnpei; Northern Mariana Islands; Palau
South-Central Pacific: Cook Islands; French Polynesia - Marquesas Islands, Society Islands
Southwestern Pacific: Fiji; New Caledonia; Niue; Samoa; Solomon Islands; Tonga; Vanuatu
•SOUTHERN AMERICA
Mesoamerica: Belize; Costa Rica; Honduras; Mexico - Chiapas, Quintana Roo; Nicaragua; Panama
Caribbean: Cayman Islands; Cuba; Dominica; Dominican Republic; Jamaica
Northern South America: Guyana; Suriname
Brazil: Brazil - Bahia, Parana, Pernambuco, Rio de Janeiro
Western South America: Colombia - Choco, Valle; Ecuador - El Oro, Galapagos Islands, Manabi