Kulekhara or Talmakhna, hygrophila auriculata

Kulekhara or Talmakhna (hygrophila auriculata, family: acanthaceae) is an annual thorny herb with straight stem. The plant is very popular as a medicinal plant in Bangladesh as well as Indian subcontinent. 

Leaves and thorns grow from each node. Outer leaves are longer than the inner ones. Both leaves and thorns remain in upward direction. 

Flowers are bright violet or red, sometimes whitish with soft and minor hair. Flower blooms in winter. The plant grows in cropland and damp lands or at the edge of ditches. 

Its root, leaves and seeds are used in gonorrhea, jaundice, rheumatic pain and urinary problem.

It is also known as Kanta kalika & Shoolmordon.