Phrik Khee Nuu is a small bush with the height of 30-120 cm. It has flat, oily and smooth leaves. It has small and slender fruits about 2-3 cm long. When young the fruit has dark green color but when it ripens it will gradually change to a bright red color. It has hot spicy taste. The fruits are used either fresh or dried as ingredients in various Thai dishes to add spiciness and heat. It is also known as Chili Padi, Bird’s Eye Chili, Bird Chili, or Thai pepper in English.