1. Curcuma longa, also known as Curcuma longa, Curcuma longa, Myrtle, Baodingxiang, etc. As a perennial herb, it likes warm and humid climate. It is a commonly used Chinese herbal medicine.

2. Curcuma of Zingiberaceae is a perennial herb, with a plant height of 1 ~ 1.5m, developed rhizome, stout roots and swollen apical roots; The leaves are round or oval, and the top of the leaves is short and tapering; Bracts ovate or oblong, light green, blunt, corolla light yellow; It blooms in August.