Draw beans in pea pods and another pea pods with a single coin;

3. Draw leaves and leaf tendrils with a single line;

4. The light-receiving surfaces of leaves, pea pods and pods are painted yellow-green;

5. The backlight surfaces of leaves, pea pods and pods are painted dark green;

6. The inside of the pod and other leaves are painted medium green and dark green.

Pea, an annual climbing herb in Leguminosae, is 0.5-2 meters high. The whole plant is green, smooth and hairless, covered with powder cream. Leaves with 4-6 leaflets, stipules heart-shaped, with fine teeth at the lower edge.

Originated in West Asia and the Mediterranean thousands of years ago, it is one of the important cultivated crops in the world. Seeds, tender pods and seedlings are edible; Seeds contain starch and oil, which can be used as medicine, and have the functions of strengthening, diuresis and antidiarrheal; Stem and leaf can cool and relieve summer heat, and can be used as green manure, feed or fuel.