Question

Collect ten different types of flowers from your area and draw it's floral formula and floral diagram

Answer 1

Flowers are the key to the identification of any plant species. Each data obtained from a flower is specific for that species and also sometimes of that respective flower family.

FLOWER

• Flowers are the reproductive part of a plant and scientifically a modified shoot. Its size varies depending on the species of plant.
• According to the type of pollination, flowers of different plants are adapted to attract the respective pollinator. Some may have colorful petals, while some have nectar or some may have exposed stamen and stigma so on.
• It has two whorls, one the essential whorls and the other one is the accessory whorls. The essential whorl encloses the reproductive part, androecium, and gynoecium.
• the accessory whorl has sepals and petals. These protect the essential whorls and also attract the pollinators.

Floral Formula and Floral Diagram.

• Floral diagram is the pictorial representation of the flower in a botanical perspective in a 2-dimensional space. In this representation, the whorls will be represented by a shape so that it can be differentiated easily.
• Floral formula is the representation of a flower in a more shortened manner only using the alphabets and numerical. The floral formula doesn't lack the placentation data.
• In the floral formula calyx is represented as K, corolla as C, androecium as A, gynoecium as A, and perianth as P.

Hence, the Floral diagrams and formulas are essential data for the botanical world. Since a flower cannot be preserved for much longer time pictorial representation and also formula representation makes it easy to quickly obtain data about a specific species.

The 10 flowers of different types with their floral diagram and respective floral formulas are given in the diagram below.

Flowers mentioned:

1. Calotropis gigantea

2. Talinum cunefolium

3. Clitoria ternatea

4. Commelina benghalensis

5. Sida acuta

6. Trichodesma Indicum

7. Cardiospermum halicacabum

8. Stachytarpheta indica

9. Plumbago zeylanica

10. Hibiscus vitifolius