- Seemai Karuvelam tree species are native to West Africa.
- It was brought to Tamil Nadu in 1960s as fuelwood.
- It disrupts the local ecosystem of its habitation by soaking in all the ground water near it.
- It is an invasive species that has infiltrated the water bodies and dry lands of Tamil Nadu.
- Why in news? Madras High Court has ordered Tamil Nadu government to enact a law with prohibitory and penal clauses to eradicate Seemai Karuvelam (prosopis juliflora) trees within two months.