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Floristic Inventory of the Florida Keys Database Online

Ricinus communis L.
Castor-bean

Ricinus communis
Copyright by: Roger L. Hammer

Family: Euphorbiaceae

Group: Dicot

Substrate: Terrestrial

Habit: Tree

Perennation: Perennial

Native Range: Africa; widely cultivated and naturalized throughout the tropics and subtropics.

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Formerly Cultivated

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Not Native, Naturalized

Map of Florida Keys Locations

Florida Keys History and Distribution: Reported in 1884 by J. Cosmo Melvill for the island of Key West.  Reported in 1913 by John Kunkel Small for pinelands, hammocks and disturbed areas from the upper Keys to the lower Keys.  Occasionally naturalized nearly throughout the Florida Keys.

Other data on Ricinus communis available from :


Ricinus communis has been reported from the following 8 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Crocodile Lake National Wildlife Refuge Present Not Native, Naturalized
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized
Dry Tortugas National Park Presumed Extirpated Not Native, Cultivated Only
John Pennekamp Coral Reef State Park Present Not Native, Naturalized
Lignumvitae Key Botanical State Park Present Not Native, Naturalized
Lignumvitae Key Botanical State Park, Klopp Tract Present Not Native, Naturalized
National Key Deer Refuge Possibly Extirpated Not Native, Naturalized
Sugarloaf Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized




Ricinus communis has been reported for the following 3 habitats in THE FLORIDA KEYS :
Disturbed Upland
Pine Rockland
Rockland Hammock


All Images:

Ricinus communis
Copyright by: Roger L. Hammer

Ricinus communis
Copyright by: Shirley Denton

Ricinus communis
Copyright by: Shirley Denton

Ricinus communis
Copyright by: Shirley Denton