An unbranched trunk with crown of leaves at apex as in Palms is called

Options

A. culm
B. caudex
C. excurrent
D. deliquescent

Answer

To solve the question, "An unbranched trunk with a crown of leaves at apex as in Palms is called," we will analyze the options provided and identify the correct term based on the characteristics described.

### Step-by-Step Solution:

1. **Understand the Question**: The question describes a specific type of plant structure - an unbranched trunk that has a crown of leaves at its top, which is a characteristic of certain plants, particularly palms.

2. **Review the Options**: The options given are:
- A) Caudex
- B) Cortex
- C) Excurrent
- D) Deliquescent

3. **Define Each Term**:
- **Caudex**: This refers to a thickened stem or trunk that is usually unbranched and supports a crown of leaves at the top. It is commonly associated with plants like palms.
- **Cortex**: This is the outer layer of a plant stem or root, not specifically related to the structure described in the question.
- **Excurrent**: This term refers to a type of branching where the stem grows in a conical shape, typical of coniferous trees.
- **Deliquescent**: This describes a branching pattern where the tree forms a dome shape at the top, common in some broadleaf trees.

4. **Identify the Correct Answer**: Given the definitions, the term that best fits the description of an unbranched trunk with a crown of leaves at the apex, as seen in palms, is **Caudex**.

5. **Conclusion**: Therefore, the correct answer to the question is **A) Caudex**.