1. Bamboo shoots: Phyllostachys pubescens is the bamboo species with the largest cultivation area and the highest economic value in China. Bamboo shoots were harvested in the south of the Yangtze River from late March to early May, and the quality of bamboo shoots dug out just after the tip of bamboo shoots emerged from the soil surface was the best. After the bamboo shoots are exposed from the soil surface, the color of the bamboo shoots becomes brownish purple, and the surface is densely covered with brown bristles.

2. Early bamboo shoots: Early bamboo is produced in Zhejiang and southern Jiangsu. The bamboo pole is more than 3 meters high and 3 centimeters thick. There are two varieties: purple and deer head green. Purple red buds from late February to late April. The shell of the bud is light purple with brown spots and small patches. Branch length15 ~ 20 cm, base thickness about 3cm, unit weight about 0. 1kg. ..

3. Red-fed chicken shoots: Red-fed chicken shoots, also known as red bamboo shoots, are produced in Zhejiang. Bamboo stalks are 5 ~ 5.3 meters high and about 6 cm in transverse diameter. The shooting period is from mid-April to mid-May. The shell of the bamboo shoot is brownish red with black spots and small patches. The center is about 1/3 cyan with purple, and the length of the bamboo shoot is about 33 cm.