• Common Name : Wal pathpadagam

• Scientific Name : Hedyotis corybosa

• Family : Rubiaceae

• Life cycle : Annual

• Morphological characters : Stem – Small, tender, herb with erect or prostrate stem. Grow up to 15-20 cm height. Somewhat cylindrical stem.

Roots – Mainly taproot and fibrous roots.

Leaves – Small, opposite, linear type leaves.2-2.5 cm in length and 0.5 cm in width.

Flowers – White or purplish white color small flowers. Regular and bi-sexual flowers arise in pairs.

 

• Propagation : By Seeds.

• Agricultural importance : It competes for sunlight, moisture, and besides soil nutrients with crops.

• Uses : Has medicinal value.

• Control measures : Hand weeding and mechanical weeding. Chemical control – Paraquat.