Plant Anatomy

Plant Anatomy

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Plant Anatomy: study of plant structures

What is (definition)

Plant Anatomy is an area of ​​botany for the study of plant structures.

Often we only see the aerial parts of the plants (leaves, flowers, branches and trunk). However, many of the structures are below ground and cannot be seen. These unseen parts are of utmost importance for plant life.

Plant Structure

- Root: part that is fixed below the ground, responsible for the collection of minerals and water. It is a structure of utmost importance for the life of the plant. The root tip (final part) is surrounded by the hood, which protects the root and aids in soil drilling. There are also root hairs in the roots, responsible for increasing the absorption power of the roots.

- Stalk: structure that ensures the support of the vegetable, as well as transporting the sap (nutrients and water). The stem is composed of epidermis (outer layer), cortex (inner layer) and stele (central part). The tissue that is responsible for stem growth is called the meristem.

- leaf: Vegetable organs responsible for the capture of sunlight and gas exchange with the atmosphere (for respiration and photosynthesis). The leaves have three structures: Sheath (part that attaches to the stem), Petiole (lies between the sheath and the leaf blades) and Limbo (leaf blades that capture sunlight and carbon dioxide).

- Flower: produces the seeds of vegetables through sexual reproduction. Therefore, the flower is the reproductive structure of vegetables.

- Fruit: structure that has the function of protecting, conserving and guaranteeing the development of plant seeds.

- Seed: is the structure responsible for the propagation of plants. It is the fertilized and mature egg of plants.

Did you know?

There are about 350,000 known plant species on our planet.