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Floristic Inventory of the Florida Keys Database Online

Spiranthes torta (Thunb.) Garay & H.R. Sweet
Southern lady’s-tresses

Spiranthes torta
Copyright by: Keith A. Bradley

Family: Orchidaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

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

NatureServe Global Status: Secure

State of Florida Status: Endangered

Florida Natural Areas Inventory State Status: Critically Imperiled

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: Ranked as critically imperiled in Rare Plants of South Florida (Gann et al. 2002; pp 508-510) based on four occurrences in three protected areas (Big Cypress National Preserve; Everglades National Park; National Key Deer Refuge) and one non-protected area (Luis Martinez Army Reserve Center). Spiranthes amesiana, which was ranked as presumed extirpated in Rare Plants of South Florida (Gann et al. 2002; pp 102-103), has been placed into synonymy here. It was recently discovered in Palm Beach County.

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: See also, IRC’s report Vascular plant species of management concern in Everglades National Park (Gann 2015), page 99 and Florida Natural Areas Inventory's Field Guide to the Rare Plants of Florida page (Chafin 2000).

Synonyms: Spiranthes amesiana.

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: Not reported for the Florida Keys by John Kunkel Small in 1913. We consider this native and extant only on Big Pine Key in the lower Keys. For more information, see IRC's species account.

Other data on Spiranthes torta available from :


Spiranthes torta has been reported from the following conservation area in the FLORIDA KEYS :
Occurrence Native Status
National Key Deer Refuge Present Native




Spiranthes torta has been reported for the following habitat in THE FLORIDA KEYS :
Pine Rockland


All Images:

Spiranthes torta
Copyright by: Keith A. Bradley

Spiranthes torta
Copyright by: Chris Evans, 2018

Spiranthes torta
Copyright by: Keith A. Bradley

Spiranthes torta
Copyright by: Keith A. Bradley

Spiranthes torta
Copyright by: Chris Evans, 2018

Spiranthes torta
Copyright by: Roger L. Hammer

Spiranthes torta
Copyright by: Chris Evans, 2018

Spiranthes torta
Copyright by: Chris Evans, 2018