1. Color refers to the bright and beautiful colors of flowers. For an orchid, the greater the contrast between flower color and leaf color, the higher the ornamental value, so color is the first reward standard;

2. Style refers to the traditional appreciation standard of flowers, including plum petals, plum petals, lotus petals, lotus petals, plum petals and willow petals. Articles about this petal theory are not uncommon;

3. Odd refers to the unusual number, shape and color of petals, such as lips. Second, it refers to the strange color of leaves, such as the yellow and white edges of leaves, or the yellow, white and green surfaces of the whole leaves.

4. Fragrance refers to the unique fragrance of orchids. The fragrance of orchids is unmatched by any plant, and it is also one of the main reasons why human beings love and cultivate orchids in history.