Lemongrass (Cymbopogon citratus) is a tall, perennial grass known for its strong, lemon-like fragrance and culinary uses, especially in Asian cuisines. It grows in dense clumps with long, slender, bluish-green leaves that exude a citrusy scent when crushed. 

Here's a more detailed description:

Botanical Classification:

Lemongrass belongs to the Poaceae family (grass family) and the genus Cymbopogon. 

Appearance:

• It grows in clumps with stiff, upright stems that can reach heights of 2-6 feet (60-180 cm). 
• The leaves are long, slender, and bluish-green, with sharp edges. 
• When bruised or crushed, they release a strong, lemony fragrance. 

Growth Habit:

• Lemongrass thrives in warm, sunny locations and well-draining soil. 
• It spreads through underground rhizomes. 

Uses:

• The leaves and stalks are commonly used in cooking, particularly in Asian cuisines (e.g., Thai, Vietnamese, Indonesian). 
• They are used for flavoring soups, stews, curries, and other dishes. 
• The essential oil derived from lemongrass has various applications, including aromatherapy, insect repellent, and medicinal purposes. 

Other Names:

Lemongrass is also known as fever grass or citronella grass.