Difference Between Flower and Inflorescence

Main Difference

The main difference between the flower and the inflorescence is that flower is a reproductive part of the flowering plant whereas inflorescence is the group of flowers arranged on the floral axis.

Flower vs. Inflorescence

Flowers and inflorescence are two important structures of a flowering plant. They are formed by sexual reproduction. A modified shoot that plays its role as a reproductive organ of the flowering plant is known as a flower whereas, an inflorescence is a group of flowers arranged on the floral axis. So, the flower is the seed-bearing part of the plant that has reproductive organs, i.e. stamens and carpels, and brightly colored sepals (calyx) and petals (corolla). On the flip side, the inflorescence is made up of flowers, stems, stalks, and bracts. The stalk of the flower is known as pedicel whereas, that of the inflorescence is known as a peduncle.

A flower is with distinctive nodes and internodes. On the other side, there are no distinct nodes and internodes in an inflorescence. Flowers involve in the production of gametes that undergo fertilization and form seed. On the other hand, inflorescence plays an important role in increasing the chance of cross-fertilization. The examples of flowers are sunflowers and roses, etc. On the other side, examples of the inflorescence are Wisteria Sinensis, Rhinanthus angustifolius, Pedicularis verticillata, and Aristolochia clematitis, etc.

Comparison Chart

FlowerInflorescence
A modified shoot which played its role as a reproductive organ of the flowering plant is known as the flower.A cluster of flowers arranged on the floral axis of the plant is known as inflorescence.
Made up Of
A flower is a seed-bearing part of the plant that is comprised of reproductive organs, i.e., stamens and carpels, and brightly colored sepals (calyx) and petals (corolla).The inflorescence is made up of flowers, stems, stalks, and bracts.
Stalk
The pedicel is the stalk of the flower.The stalk of the inflorescence is known as the peduncle.
Nodes and Internodes
A flower is with distinct nodes and internodes.There are no distinctive nodes and internodes in the inflorescence.
Function
Flowers involve in the production of gametes that undergo fertilization and form seed.Inflorescence plays an important role in increasing the chance of cross-fertilization.
Examples
The examples of flowers are sunflowers, roses, etc.Some examples of the inflorescence are Wisteria Sinensis, Rhinanthus angustifolius, Pedicularis verticillata, and Aristolochia clematitis, etc.

What is Flower?

A flower is a specialized branch of the plant that has limited growth. The division of science that deals with the study of the flower is known as Anthology. It is comprised of reproductive organs that are stamens and carpels, and also brightly colored sepals (calyx) and petals (corolla).

Stamen is the male reproductive organ that is made up of anthers and filaments and gives rise to sperm cells. On the other hand, carpel is the female reproductive organ of the plant that is comprised of the ovary, style, and stigma and gives rise to an egg cell. These gametes of the flower show fertilization and form seed. So, they are important for sexual reproduction.

On the other side, brightly colored sepals (calyx) and petals (corolla) attract insects for pollination and provide protection to the essential parts before the opening of the flower bud. The stalk of the flower with which it is attached to the stem is known as the pedicle. The examples of flowers are sunflowers and roses, etc.

What is Inflorescence?

The inflorescence is a bunch of flowers that are organized on the floral axis of the plant. The inflorescence is made up of flowers, stems, stalks, and bracts. The stalk of the inflorescence with which it attaches to stem is known as a peduncle. Inflorescences may be divided into different ways on the basis of their general characteristics. For example, the arrangement of the flowers on the peduncle, how different clusters of flowers are organized in it and the blooming order of the flowers, etc.

Some of these types are the state of bracts, phyllotaxis, metatopy, and terminal flower, etc. They may also be divided on the basis of their organization as simple and compound inflorescences. The fruiting stage of the inflorescence is called as infructescence. Inflorescence plays an important role in increasing the chance of cross-fertilization. Some examples of the inflorescence are Wisteria Sinensis, Rhinanthus angustifolius, Pedicularis verticillata, and Aristolochia clematitis, etc.

Key Differences

  1. A modified shoot which played its role as a reproductive organ of the flowering plant is known as flower whereas, a cluster of flowers arranged on the floral axis of the plant is known as inflorescence.
  2. A flower is a seed-bearing part of the plant that is comprised of reproductive organs, i.e., stamens and carpels, and brightly colored sepals (calyx) and petals (corolla) on the other hand; inflorescence is made up of flowers, stems, stalks, and bracts.
  3. The stalk of the flower is the pedicel. Conversely, the stalk of the inflorescence is known as the peduncle.
  4. A flower is with distinctive nodes and internodes on the flip side; there are no distinctive nodes and internodes in the inflorescence.
  5. Flowers involve in the production of gametes that undergo fertilization and form seed on the other side, inflorescence plays an important role in increasing the chance of cross-fertilization.
  6. The examples of flowers are sunflowers and roses, etc. on the other hand, the examples of the inflorescence are Wisteria Sinensis, Rhinanthus angustifolius, Pedicularis verticillata, and Aristolochia clematitis, etc.

Conclusion

The above discussion summarizes that flower is a modified shoot of a flowering plant that has reproductive organs. It is involved in the production of gametes that forms seed after fertilization. On the flip side, a cluster of flowers arranged on the floral axis is known as inflorescence that plays an important role in cross-fertilization.

Janet White

Janet White is a writer and blogger for Difference Wiki since 2015. She has a master's degree in science and medical journalism from Boston University. Apart from work, she enjoys exercising, reading, and spending time with her friends and family. Connect with her on Twitter @Janet__White

View all posts by Janet White