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Floristic Inventory of the Florida Keys Database Online

Trema lamarckianum (Schult.) Blume
West Indian trema, Pain-in-the-back

Trema lamarckianum
Copyright by: Roger L. Hammer

Family: Cannabaceae

Group: Dicot

Substrate: Terrestrial

Habit: Tree

Perennation: Perennial

Native Range: South Florida and the West Indies.

NatureServe Global Status: Secure

State of Florida Status: Endangered

Florida Natural Areas Inventory State Status: Imperiled

IRC SOUTH FLORIDA Status: Imperiled

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

South Florida History and Distribution: This is very rare in South Florida, known only from the Miami Rock Ridge, the southeastern Everglades and the Florida Keys. Using modern NatureServe criteria, we re-ranked this as Imperiled in South Florida in July, 2018.

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: For a digitized image of Elbert Little's Florida range map, visit the Exploring Florida website.

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: Collected by John Kunkel Small on Big Pine Key in 1912 (Small 3749, NY) and reported by him in 1913 for hammocks in the lower Keys.  Mapped by Elbert L. Little, Jr. (1978) for the upper Keys, where native and still extant. We treat this as presumed extirpated in the lower Keys.

Other data on Trema lamarckianum available from :

Trema lamarckianum has been reported from the following 4 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Biscayne National Park, Florida Keys Section Possibly Extirpated Possibly Extirpated
Crocodile Lake National Wildlife Refuge Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
John Pennekamp Coral Reef State Park Present Native

Trema lamarckianum has been reported for the following 2 habitats in THE FLORIDA KEYS :
Disturbed Upland
Rockland Hammock

All Images:

Trema lamarckianum
Copyright by: Roger L. Hammer