Where are the following structures/parts located and what are their functions?
Thalamus

Explanation

**Step-by-Step Solution:**

1. **Location of Thalamus**:
- The thalamus is located at the tip of the stalk (pedicel) of a flower. It is a swollen structure that serves as the base for the flower.

2. **Function of Thalamus**:
- The main function of the thalamus is to bear all the parts of the flower. This includes the four main whorls of the flower:
- Calyx (the outermost whorl, usually made up of sepals)
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