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Floristic Inventory of the Florida Keys Database Online

Cissus verticillata (L.) D.H. Nicols & Jarvis var. verticillata
Possum-grape, Seasonvine

Cissus verticillata
Copyright by: Roger L. Hammer

Family: Vitaceae

Group: Dicot

Substrate: Terrestrial

Habit: Vine

Perennation: Perennial

Native Range: Peninsular Florida, the West Indies, Mexico, Central America and South America.

IRC SOUTH FLORIDA Status: Secure

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Critically Imperiled

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for hammocks from the upper Keys to the lower Keys.  However, we only have records from the lower Keys where we consider this native and extant.

Other data on Cissus verticillata var. verticillata available from :

Atlas of Florida Vascular Plants

Cissus verticillata var. verticillata has been reported from the following conservation area in the FLORIDA KEYS :
Occurrence Native Status
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native




Cissus verticillata var. verticillata has been reported for the following 3 habitats in THE FLORIDA KEYS :
Coastal Berm
Disturbed Upland
Rockland Hammock


All Images:

Cissus verticillata
Copyright by: Roger L. Hammer