Complete Guide of Key Parts of Plant: Names, Functions & Diagram

Plants are predominantly photosynthetic eukaryotes that convert water, nutrients, and sunrays into oxygen, sugar & carbohydrates. It helps to maintain the oxygen level and life on the earth. From the seed to become a plant, all parts of a plant grow slowly. During the whole lifecycle, plants help humans in many aspects like giving fruit to eat, a good environment, maintaining oxygen levels & reducing soil erosion. In this article, we will study all plant parts and their functions.

Also, in this article, we will go through plant anatomy to understand the details of the plant and how it works.

Parts of a Plant Diagram

Parts of a Plant, Names, Functions & Diagram

Plant Parts Names

  • Roots
  • Stem
  • Leaves
  • Flowers
  • Fruits

Parts of a Plant


The roots are the organs of a plant that provide anchorage for the plant and take in water and nutrients from the ground into the plant body, which allows plants to grow taller and faster.

They are often below the soil’s surface. However, roots can also be aerial or aerating, growing above the ground or water.

It stores the reserve foods and prevents erosion of soil. It also helps to produce plant growth hormones, which lead to the plant’s healthy growth.

The primary roots of the plant are the main roots that grow by the radicle elongation inside the soil. Secondary roots grow through the primary roots to reach the water and more nutrients.


A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves, flowers, and fruits, transports water and dissolved substances between the roots and the shoots in the xylem and phloem, stores nutrients, and produces new living tissue.

Nodes and internodes are the two types of stem. It helps keep the leaves in the light and gives the flower and fruit a place.

Stem stores the nutrients and transfers them & fluids throughout the plant for growth. It annually generates new living tissues for the long life of the plant. Through vegetative reproduction, the process of stem develops new plants.


Leaves are the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. These are collectively called foliage, as in autumn foliage.

The primary function of the leaves is to do photosynthesis to grow the plant. During this process, chlorophyll inside leaves helps to absorb the sunrays falling in them and convert carbon dioxide and water into oxygen, sugar, and carbohydrates.


A flower, sometimes known as a bloom or blossom, is the reproductive structure encountered in flowering plants. The biological function of a flower is to facilitate reproduction, usually by providing a mechanism for the union of sperm with eggs.

It is the most beautiful part of a plant. The flower contains sepals, petals, stamens, and carpel.

The petal is the colorful part, the sepal is the green part under the petal, the stamens are the male part, and the carpel is the female reproductive part.


In a botanical sense, a fruit is a fleshy or dry ripened ovary of a flowering plant, enclosing the seed or seeds. Apricots, bananas, grapes, bean pods, corn grains, tomatoes, cucumbers, acorns, and almonds are all technically fruits.

Fruit helps spread more plants through the seeds present inside.

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