Biology
Why are the following described as stated:
- The androecium of pea flower is diadelphous.
- Ray florets of sunflower as neuters
- Salvia sepals as petaloid
Answer
- It is because the filaments of anthers are united in two bundles. Nine out of ten stamens in a pea plant form a staminal tube. The tenth is free.
- Ray florets of sunflower are described as neuters because both male and female reproductive structures are lacking.
- Sepals of the salvia are petaloid as 3 sepals are red in colour and united as petals. Therefore, they are not differentiated from the petals.
Related Questions
What are bracts? State their function.
Distinguish between Essential and Non-essential whorls of a flower.
Distinguish between Polyandrous and Polyadelphous stamens.
Explain the terms Monadelphous, Diadelphous and Polyadelphous using suitable diagrams. In each case name a flower possessing such an androecium.