Identify the Parts of a Flower and Distinguish between Unisexual and Bisexual Flowers

Materials Required

  • Petunia
  • Cassia
  • Hibiscus
  • Pumpkin
  • Bitter gourd
  • Papaya
  • Blade
  • Forceps
  • Needle
  • Brush
  • Wooden board
  • Watch glass
  • White paper

 

Procedure

Real lab procedure 

  • Take one hibiscus flower from the watch glass. 
  • Keep the flower on top of the wooden board. 
  • Cut the flower vertically into two halves using a blade. Take care not to cut through the pistil of the flower. 
  • Spread the two halves of flower side by side using needle. 
  • Place a white sheet of paper over the table. On the paper, arrange the two floral halves. 
  • Now, observe the parts of flower.
  • Using a forceps and needle tear off the petals longitudinally without damaging the carpel, you will also need a blade in addition to the forceps. 
  • Separate the individual parts and place them out on paper using forceps. 
  • Using the same, take out the stigma along with style from the carpel. 
  • Pull out the individual parts with the help of forceps and needle, one after another. 
  • Observe and label each part of the flowers carefully. 

Simulator Procedure

  • To select a sample of a flower, click on the corresponding icon. 
  • Drag and drop the parts of the flower to separate.  
  • Click on the next button to go to the next page. 
  • Drag and drop the blade on the flower to cut the flower through the middle.  
  • Click on the separated parts to view the cross-sectional area. 
  • Click on the label buttons in the option panel to understand the cross-sectional view and observe the individual parts inside the flower.  
  • After observation, click on the answer button to check whether the identified flower is correct or not. If the right answer is chosen then the answer will be displayed in green color, if the chosen answer is wrong, then the wrong answer will be displayed in red color. 
  • Click on the ‘Reset’ button to redo the experiment with different parameters. 

 

Observation

Types of flowers Parts of flower
Bisexual flowers
  1. Stigma
  2. Style
  3. Ovary
  4. Anther
  5. Filament
  6. Petal
  7. Sepal
  8. Receptacle
Unisexual flower (Male flower)
  1. Anther
  2. Filament
  3. Petal
  4. Sepal
  5. Receptacle
Unisexual flower (Female flower)
  1. Stigma
  2. Style
  3. Ovary
  4. Petal
  5. Sepal
  6. Receptacle