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Sepal

Petal

1.  A whorl of sepal forms the calyx.

1. A whorl of petals forms the corolla.

2. It is the unit member of the outermost whorl.

2. It is the unit member of the whorl inner to the petal.

3. It is green in colour.

3. It is brightly coloured.

4. It is leaf like structure.

4. It is petalloid

5. If the sepals are absent the condition is known as asepalous.

5. If the petals are absent the condition is known as apetalous.

6. Calyx protects the inner whorls in bud condition.

6. Corolla attracts the agents of pollination.

 

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