torpedograss

Panicum repens L.

Description from Invasive.org

Appearance: Panicum repens is a perennial grass that can reach up to 3 ft. (1 m) tall. Plants have long, creeping rhizomes with sharp-pointed (torpedo-like) tips.
Foliage: Leaves are linear, flat or folded, 10 in. (26 cm) long, 0.3 in. (5.3 mm) wide with a whitish, waxy covering. Leaf sheaths can be glabrous or hairy and the ligule is membranous with short hairs.
Flowers: Flowering occurs nearly year round. Flowers develop in branched, open inflorescences that are 2.8-7.1 in. (7-18 cm) long.
Fruit: Fruits are small, about 0.07 in. (1.8 mm).
Ecological Threat: Panicum repens is native to Africa and Eurasia and was introduced into the United States around 1876. This species can occur in a wide variety of habitats. Plants are usually found in damp soils of riparian zones, but can also be found in pastures and on sand dunes. Plants are salt-tolerant.

Resources

Invasive Species Management Plans for Florida - University of Florida - Center for Aquatic and Invasive Plants

Selected Images from Invasive.org

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Plant(s)
John D. Byrd, Mississippi State University, Bugwood.org
Additional Resolutions & Image Usage

Feature(s) Rhizomes
John D. Byrd, Mississippi State University, Bugwood.org
Additional Resolutions & Image Usage

Foliage
John D. Byrd, Mississippi State University, Bugwood.org
Additional Resolutions & Image Usage

Infestation
Tony Pernas, USDI National Park Service, Bugwood.org
Additional Resolutions & Image Usage

Plant(s) habit
Forest and Kim Starr, Starr Environmental, Bugwood.org
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Plant(s) Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Misc. Publ. No. 200. Washington, DC.
USDA NRCS PLANTS Database , USDA NRCS PLANTS Database, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s)
Steve Hurst, USDA NRCS PLANTS Database, Bugwood.org
Additional Resolutions & Image Usage

Feature(s) rhizomes
Karen Brown, University of Florida, Bugwood.org
Additional Resolutions & Image Usage

Foliage
Karen Brown, University of Florida, Bugwood.org
Additional Resolutions & Image Usage

Plant(s)
Ann Murray, University of Florida, Bugwood.org
Additional Resolutions & Image Usage