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Floristic Inventory of the Florida Keys Database Online

Cuscuta umbellata Kunth
Flatglobe dodder

Cuscuta umbellata
Copyright by: Alan Franck (2021) via iNaturalist

Family: Convolvulaceae

Group: Dicot

Substrate: Parasite

Habit: Vine

Perennation: Annual

Native Range: Southern and central United States, the West Indies, Mexico, Central America and South America.

IRC SOUTH FLORIDA Status: Critically Imperiled

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

South Florida History and Distribution: This was reported as possibly extirpated in South Florida in Gann et al. (2002; pp 136-137), based on herbarium specimens collected from Lee and Palm Beach counties and the Monroe County Keys from 1925 to 1997. The locality of the 1997 collection, Sea Oats Beach on Lower Matecumbe Key was heavily impacted by hurricanes Georges (1998) and Irene (1999) and subsequent clearing activities. Alan Franck observed this in 2021 at the northeastern end of Lower Matecumbe Key and reported it on iNaturalist.

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, click on the USDA PLANTS link below.

FLORIDA KEYS Occurrence: Possibly Extirpated

FLORIDA KEYS Native Status: Possibly Extirpated

IRC FLORIDA KEYS Status: Possibly Extirpated

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Not reported for the Florida Keys by John Kunkel Small in 1913. Collected once in 1997 on Lower Matecumbe Key by Wayne Hoffman (s.n., FTG). For more information, see IRC's species account.

Other data on Cuscuta umbellata available from :

Cuscuta umbellata has been reported from the following 2 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Long Key State Park Possibly Extirpated Possibly Extirpated
Sea Oats Beach Possibly Extirpated Possibly Extirpated

Cuscuta umbellata has been reported for the following 2 habitats in THE FLORIDA KEYS :
Beach Dune
Disturbed Upland

All Images:

Cuscuta umbellata
Copyright by: Alan Franck (2021) via iNaturalist

Cuscuta umbellata
Copyright by: (public domain)
originally published in Martius, C., Eichler, A.G., Urban, I., Flora Brasiliensis, vol. 7: fasicle 52, t. 128 (1871)