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Trianthema portulacastrum L.
Desert horsepurslane

Trianthema portulacastrum
Copyright by: Forest & Kim Starr

Family: Aizoaceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: The United States, the West Indies, Mexico, Central America, South America and the Old World tropics.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Imperiled

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Other data on Trianthema portulacastrum available from :

Atlas of Florida Vascular Plants
Trianthema portulacastrum has been found in the following 9 conservation areas :
Occurrence Native Status
Bahia Honda State Park Present Native
Biscayne National Park Present Native
Blue Heron Hammock, Florida Keys Wildlife and Environmental Area Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Dove Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Dry Tortugas National Park Presumed Extirpated Presumed Extirpated
Everglades National Park Present Native
Long Key State Park Present Native
National Key Deer Refuge Possibly Extirpated Possibly Extirpated

Trianthema portulacastrum has been found in the following 3 counties :
Occurrence Native Status
Monroe County (Keys) Native
Monroe County (Mainland) Native
Palm Beach County Native

Trianthema portulacastrum has been found in the following 3 habitats :
Disturbed Upland
Disturbed Wetland
Salt Marsh

All Images:

Trianthema portulacastrum
Copyright by: Forest & Kim Starr
Trianthema portulacastrum
Copyright by: Forest & Kim Starr