1. What is kale?

Kale is a plant of the genus Brassica in the Brassicaceae family. It is a biennial herbaceous flower and is a horticultural variant of cabbage. Its young leaves are edible, rich in nutrients and have high food value. It is widely distributed and is cultivated in many large parks in cities. The inner colors of its leaves are relatively rich, including yellow, red, white, purple-red and blue-gray. The viewing period is from December to March and April of the following year. Even if it does not bloom, it is still ornamental to a certain extent.

2. The difference between kale and lettuce

1. Leaves: The most obvious difference between the two is that on the leaves, the color of lettuce is green, while the color of kale It is colorful, can be used for viewing and has certain edible value. Lettuce is mainly used for eating.

2. Flowers: The flowers of the two are also different. Kale flowers are in racemes and are light yellow in color. When lettuce blooms, it is a flower head.

3. Fruit: In addition, there are also obvious differences in the fruits. The fruit of kale is a silique, and the seeds will mature in June and take on the shape of dark brown flat balls. The fruit of lettuce is an achene, which is inverted lanceolate and light brown in color. Its flowering and fruiting period is between February and September every year.