Cymbopogon flexuosus

Cymbopogon flexuosus, also called Cochin grass, East-Indian lemon grass or Malabar grass, is a perennial grass native to India, Sri Lanka, Burma, and Thailand. It is placed in the genus "Cymbopogon" (lemongrasses).
Its essential oil is produced by steam distillation of the freshly cut leaves, or it can be extracted using alcohol.