What do leaves generally consist of?

Article Catalog

1. Petiole

2. Yetuo

3. Blades

---

Leaves are composed of petiole, petiole, and blade. The petiole mainly plays a connecting role and is the connecting part between the leaf and the stem. The petiole plays a big role when the leaf is just growing. It is a small green membranous piece growing at the base and sides of the petiole. The leaf is the most important part, the epidermis is composed of a layer of closely packed cells.

1. Petiole

1. Petiole

The petiole mainly serves as a connection between the leaf and the stem. If this part is disconnected, the leaf will have no connection with the main body and will die. Its upper part is connected to the leaf, and the lower part grows on the stem. Generally, the petiole is at the base of the leaf and is a very important component.

2. Leaf support

Leaf The stem plays a big role when the leaves are just growing. They are small green membranous sheets that grow at the base and sides of the petiole. They generally grow out earlier than the leaves. In the early stages of growth, Can protect young leaves and buds. Its shape is small, but some leaves are larger, and the corresponding leaf stipes will be larger. Its growth is quite special, because for some plants, it will fall off quickly with subsequent growth changes, while for some it will remain with it forever.

3. Leaves

It is The most important part of the leaf, the epidermis is composed of a layer of tightly packed cells and is colorless and transparent. It contains chlorophyll, which can absorb sunlight and synthesize nutrients needed for plant growth.

2. Yetuo

3. Blades

- END -