Lemon grass (Cymbopogon citratus)

Lemongrass, also called citronella, is a tall, stalky plant. It has a fresh, lemony aroma and a citrus flavor. It's a common ingredient in Thai cooking. Lemongrass essential oil is used in aromatherapy to freshen the air, reduce stress, and uplift the mood. It is also used in the preparation of herbal tea.