Weed Herbarium

Department of Agronomy

Bangladesh Agricultural University

Arail

Common Name: Swamp Rice Grass
Scientific Name: Leersia hexandra Sw.
Family Name: Gramineae
Type: Grass

Identification Notes

Leersia hexandra Photo 1
Leersia hexandra Photo 1
Leersia hexandra Photo 2
Leersia hexandra Photo 3
EPPO Code
Life Cycle
Perennial
Morphology
Culm – decumbent at the base, rooting at the lower nodes, nodes swollen and curved with short hairs. Leaves – blades narrowly linear, flat, rolled when dry, ligule membranous, the margins extending into sheath margins. Inflorescence – a panicle, spikelets 1-flowered, oblong, strongly compressed laterally, hispidulous, sometimes glabrous.
Growing season
Rabi and Kharif (January to December)
Germination period
January to December
Flowering period
May to October
Propagation
By seed and by vegetative means.
Habitat
Prefer moist condition. Found in the aus rice, jute and other low land crops.
Weed potential
-
Control measure
-
Recommended herbicide
-
Distribution
-
Medicinal properties
-
References

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