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 The standard petal of a papilionaceous corolla is also called                [2016]
  • a)
    Carina
  • b)
    Pappus
  • c)
    Vexillum
  • d)
    Corona
Correct answer is option 'C'. Can you explain this answer?
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The standard petal of a papilionaceous corolla is also called [...
(c) Papilionaceous flowers are flowers with the characteristic irregular and butterfly-like corolla. A single, large upper petal is known as the banner or vexillum and the name has been derived from an ancient military standard. 
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Standard Petal of a Papilionaceous Corolla

The standard petal of a papilionaceous corolla is also known as the Vexillum. This particular petal is one of the characteristic petals found in the flowers of the Fabaceae family, which includes plants like peas, beans, and lentils.

Characteristics of the Vexillum

- The vexillum is the largest and uppermost petal in the papilionaceous corolla.
- It is often more colorful and conspicuous compared to the other petals.
- The vexillum helps attract pollinators like bees and butterflies to the flower.

Function of the Vexillum

- The main function of the vexillum is to attract pollinators towards the flower for successful pollination.
- It also plays a role in protecting the reproductive structures of the flower.

Importance in Plant Reproduction

- The vexillum, along with the other petals of the papilionaceous corolla, plays a crucial role in the reproductive success of plants in the Fabaceae family.
- By attracting pollinators and aiding in pollination, the vexillum helps ensure the production of seeds for the next generation of plants.

Conclusion

In summary, the standard petal of a papilionaceous corolla, known as the vexillum, is a vital component of the flower that serves both functional and reproductive purposes. Its distinct characteristics and role in attracting pollinators contribute to the overall success of plant reproduction in the Fabaceae family.
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The standard petal of a papilionaceous corolla is also called [2016]a)Carinab)Pappusc)Vexillumd)CoronaCorrect answer is option 'C'. Can you explain this answer?
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