• Common Name : Thunhiriya Pan

• Scientific Name : Schoenoplectus grossus

• Family : Cyperaceae

• Life cycle : Annual

• Morphological characters : Grows up to 1 m height. Have bushy appearance. Create few erect and pointed leaves. Produce one prominent stalk and at the terminal end of it Cluster of seeds occurs after producing three distinguish leaves.

• Propagation : Seeds

• Agricultural importance : widespread annual weed

• Uses : Use in traditional industries.

• Control measures : Deep plowing and proper field level.Repeated tillage or soil disturbance Hand weeding. Chemical control.