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torpedograss

Panicum repens L.

USDA PLANTS Symbol: PARE3
U.S. Nativity: Exotic
Habit: Herb


Synonym(s): torpedo grass, couch panicum, wainaku grass, creeping panic

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.


Identification, Biology, Control and Management Resources

Invasive Species Management Plans for Florida - University of Florida - Center for Aquatic and Invasive Plants
Identification and Biology of Non-Native Plants in Florida's Natural Areas - University of Florida