The swollen end of the stalk on which the flower is arranged is called?

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Study for the Morphology of Flowering Plants Test. Enhance your understanding with multiple-choice questions, complete with explanations. Prepare for your exam!

Multiple Choice

The swollen end of the stalk on which the flower is arranged is called?

Explanation:
The swollen end of the stalk that bears a flower is the receptacle, also called the thalamus. This part is the expanded tip where the floral organs—sepals, petals, stamens, and the ovary—attach. In many botanical contexts, thalamus and receptacle are used interchangeably to describe this base that supports the flower. The other terms refer to larger concepts: inflorescence means the entire flowering arrangement, racemose inflorescence is a specific type of such arrangement, and unisexual describes a flower that has only male or only female organs, not the swollen base itself.

The swollen end of the stalk that bears a flower is the receptacle, also called the thalamus. This part is the expanded tip where the floral organs—sepals, petals, stamens, and the ovary—attach. In many botanical contexts, thalamus and receptacle are used interchangeably to describe this base that supports the flower. The other terms refer to larger concepts: inflorescence means the entire flowering arrangement, racemose inflorescence is a specific type of such arrangement, and unisexual describes a flower that has only male or only female organs, not the swollen base itself.

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