There are 6 kinds of Shellac, which are Zhejiang Shellac, Hubei Shellac, Anhui Shellac, Sichuan Shellac, Yi Shellac and Ping Shellac, among which Zhejiang Shellac has a larger production, which is the first of the commercial Shellac, and it grows mainly in the area below 600 meters above sea level, while Hubei Shellac has a wider leaf, and grows mostly in the area of 200-400 meters above sea level.

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Shellfish has six varieties, the more common is the Zhejiang Shellfish, Zhejiang Shellfish is a perennial herbaceous plant of the lily family, the bulb is hemispherical, diameter of about 6 cm, and the Zhejiang Shellfish will be bloomed in March-April each year, its flowers are yellowish, mainly grows in the woods below 600 meters above sea level, and the leaves are wider. It grows mainly in forests at altitudes up to 600 meters above sea level.

2, Hubei Beimu

Hubei Beimu is a perennial herb, its height can reach 50 cm, and Hubei Beimu bulb has 2 scales, its leaf blade is torque-rounded lanceolate, will bloom in April every year, and Hubei Beimu flowers are purple, and its petals have a yellow square spot.

3, Anhui shellfish

Anhui shellfish plant shape is shorter, its height is 10-40 cm, and Anhui shellfish leaves are broader, its bulb is ovoid, about 2 cm in diameter, and the Anhui shellfish will bloom in March-April every year, its fruiting period in May every year, and the Anhui shellfish grows in the area with an altitude of 300-1500 meters. It grows at an altitude of 300-1500 meters.

4, Chuanbeimu

Chuanbeimu's height can reach 50 cm, its leaves are long or lanceolate, will bloom in May-July every year, and Chuanbeimu's flowers are purple or yellowish-green, and its fruiting period is in August-October every year, and Chuanbeimu is mainly distributed in the Tibet, Yunnan, Qinghai and Sichuan etc. In addition, Chuanbeimu is mainly distributed in China. Sichuan and other places.