曲序香茅（学名：Cymbopogon flexuosus），又称东印度香茅，是禾本科香茅属的一种芳香性植物。

• 柠檬香茅精油

Cymbopogon flexuosus also called Cochin Grass or Malabar Grass (Malayalam: ഇഞ്ചിപ്പുല്ല് (inchippullu) is a perennial grass native to India, Sri Lanka, Burma, and Thailand. It is placed in the genus Cymbopogon (lemon grasses).

Lemongrass essential oil is produced by steam distillation of the freshly cut leaves, or can be extracted using alcohol. It is believed to help with stress-related disorders, and has been shown to have antifungal and antimicrobial properties. Cymbopogon flexuosus completely inhibits all MRSA colony growth.