ARe citronella and lemon grass the same?

Citronella and lemongrass are not the same, though they are closely related and belong to the same family, Poaceae. Citronella is primarily known for its oil, which is often used as an insect repellent, while lemongrass has a more pronounced culinary use, adding flavor to dishes. They have distinct scents and appearances, with citronella generally having a stronger, more pungent aroma.