Citronella, also known as bauhinia. Belong to the grass family, perennial herbaceous plants. Like to grow in high temperature and rainy, sunny, well-drained fertile soil. Lemongrass is grown in the subtropical thatch spice, natural lemon flavor, and stomach and gas, brain effect. Because of the lemon flavor, it is also known as lemongrass.

Characteristics of lemongrass:

1, the grass is 40-110cm long, stalks tufted, weak, gray-green to dark green appearance, sometimes purple, nodes expanded.

2, leaf blade narrowly striped, 25-70cm long, 1-6mm wide, margins sometimes revolute, both surfaces glabrous, with white powder.

3. Leaf sheaths are glabrous, often broken and involute at the base, light red on the inner surface.

4. The ligule is obtuse and rounded, 2-4mm long, membranous, with the apex more irregularly broken.

5, with a special aroma, pungent flavor, chewing with a cool numb tongue. Lemon aroma is very strong. To gray-green color, thick, leafy, strong aroma of the best.

6, lemongrass part of the utilization: the main leaves, the refining of essential oils, leaf sheaths can also be used.

The Daijia people love to use lemongrass as a seasoning, with which the marinated carp, tilapia wrapped up, with charcoal slowly roasted until the fish is cooked through, the taste of fresh and fragrant. It is distributed in the south of Yunnan Province in China, as well as in Shaanxi, Gansu and the southwest. It is also found in the wild near Kunming. Citronella not only has ornamental value, green, fragrant home, because it contains citral, disinfection, sterilization and treatment of neuralgia, muscle pain effect, and therefore known as the "pain killer swordsman.