A flower is a reproductive structure of a flowering plant. Parts of a flower consist of a peduncle, receptacle, sepals, petals, stamen, anther, pistil, stigma and ovary. It is primarily responsible for the reproduction and formation of fruits in plants and also serves as a source of food for other organisms such as bees, butterflies, humans, etc.

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Parts Of A Flower With Diagram


Here are the functions of flower parts given in this diagram:

  1. Peduncle: The peduncle is the stalk that connects the flower to the main stem of the plant. It helps the flower to be positioned for optimal pollination.
  1. Receptacle: The receptacle is the thickened part of the flower stalk where all the flower parts are attached. It provides support for the other flower parts.
  1. Sepals: Sepals are usually green in color and serve as protective structures for the developing flower bud. It provide structural support to the flower when it opens.
  1. Petals: Petals are often brightly colored and visually appealing to pollinators like bees, butterflies, and birds. Due to which they help draw the attention of potential pollinators to the flower. Nectar encourages these visitors to land on the flower, collect pollen, and facilitate pollination.
  1. Stamen: The stamen is the male reproductive organ of the flower. It consists of the following parts:

    Anther: It is the top portion of the stamen, and its main function is to produce and release pollen. Anther consists of two lobes, each lobe has a pair of pollen sacs called “microsporangia.” These microsporangia actually produce pollen inside the anther. These pollens contains the male gametes, i.e., sperm cells.

    Filament: It is the thin stalk that holds the anther in place, ensuring that it’s positioned where pollinators can easily access it.
  1. Pistil: The pistil is the female reproductive organ of the flower and is mainly found in the center. It consists of the following parts:

    Stigma: The stigma is the sticky, bulbous tip of the pistil. Its function is to collect pollen from pollinators.

    Style: The style is a slender tube-like structure that connects the stigma to the ovary. It plays important role in growth of pollen tube & prevent incompatible pollens from entering the ovary of the flower.

    Ovary: The ovary is the enlarged base of the pistil. It contains ovules, which are the female gametes or egg cells. After fertilization, the ovary develops into a fruit, protecting and nourishing the developing seeds. Ovules are present inside the ovary and get converted into seeds after fertilization.

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