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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Thalassia testudinum (Turtle-grass)
Cressler, Alan

Thalassia testudinum

Thalassia testudinum Banks & Sol. ex Koenig

Turtle-grass

Hydrocharitaceae (Tape-grass Family)

Synonym(s):

USDA Symbol: THTE6

USDA Native Status: L48 (N), PR (N), VI (N)

A marine species of shallow, clear water with calcareous bottom along the coastline of the Gulf of Mexico, the Atlantic Coast in the southern half of Florida and in the Caribbean Sea.

 

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Tuberous
Leaf Complexity: Simple
Breeding System: Dioecious
Fruit Type: Capsule
Leaf: Leaves to about 2 feet in length.
Fruit: Berrylike.

Bloom Information

Bloom Color: White , Pink , Green
Bloom Time: Mar , Apr , May , Jun , Jul , Aug
Bloom Notes: Flowers inconspicuous, greenish-white or pinkish.

Distribution

USA: FL , LA , MS , TX

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: OBL OBL OBL
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Thalassia testudinum in USDA Plants
FNA: Find Thalassia testudinum in the Flora of North America (if available)
Google: Search Google for Thalassia testudinum

Metadata

Record Modified: 2023-01-23
Research By: Joseph A. Marcus

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