Tools: brush, drawing paper.

1. First draw a diagonal line with neutral strokes, as shown in the figure.

2. Then use neutral strokes and diagonal lines as the main veins of the leaves, as shown in the figure.

3. Draw the outline of the green vegetable leaves with neutral strokes, as shown in the figure.

4. Draw the veins of the leaves with neutral strokes, as shown in the figure.

5. Draw the capillaries of leaves with neutral strokes.

6. Color the veins of the leaves with a watercolor pen, as shown in the figure.

7. Finally, color the leaves, as shown in the figure.

Leaves are the photosynthetic parts of trees. Leaves can have various shapes, sizes, colors and textures. Leaves can be clustered or scattered everywhere. The edges of leaves can be smooth or serrated. A complete leaf includes the following three parts: the leaves are flat and cross-growing, which is conducive to receiving more sunlight.

Introduction to leaves:

Leaves are the photosynthetic parts of trees. Leaves can have various shapes, sizes, colors and textures. Leaves can be clustered or scattered everywhere.

The edges of leaves can be smooth or serrated. A complete leaf includes the following three parts: the leaves are flat and cross-growing, which is conducive to receiving more sunlight.

Petiole-Supports leaves and connects them to stems. Stipules-protect young leaves. Some plants have no stipules, and some plants have lost their stipules long ago.

As we all know, leaves are rich in plant protein and various nutrients needed for pig growth and development, and are good feed for pigs. As we all know, feeding pigs with leaves can not only promote growth but also be used as medicine to treat pig diseases.

For example, fresh willow leaves are bitter, cold and non-toxic, while tender leaves are bitter, cool and non-toxic, and have the effects of clearing away heat and penetrating rash, diuresis and detoxification; Peach leaves have diuretic effect; Mulberry leaves have the effects of clearing away heat and promoting fluid production, cooling blood and improving eyesight; Pine leaves, also known as pine needles, have the functions of warming meridians, promoting blood circulation, expelling wind and removing dampness, and can treat rheumatic pain.