It is a species of flowering plants of the carnation family (Caryophyllaceae).
Annual grass from 25 to 60 (-90) centimeters tall. Leaves up to 6 cm long. Inflorescence - head. Petals from bright pink to purple or lavender with darker veins. The fruit is a capsule that contains many tiny seeds.
This plant is useful.
How to get rid of:
Weeds can be removed manually by uprooting or cutting them close to the ground from time to time.