Large green coloured bract in spadix is known as

Options

A. epicalyx
B. spathe
C. involucre
D. involucel

Answer

To answer the question about the large green-colored bract in a spadix, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure of Spadix**: A spadix is a type of inflorescence characterized by a thick, fleshy axis that bears flowers, typically surrounded by a specialized leaf structure known as a bract.

2. **Identify the Role of the Bract**: In the case of a spadix, the bract is a modified leaf that can be large and fleshy, often serving to protect the flowers and attract pollinators.

3. **Recognize the Characteristics of the Bract**: The specific bract in question is noted for being large and green in color, which distinguishes it from other types of bracts that may be smaller or differently colored.

4. **Name the Bract**: The large green-colored bract that surrounds the spadix is referred to as the "spathium" (or "spathe" in some contexts).

5. **Provide Examples**: Common examples of plants that exhibit this type of inflorescence include the banana plant, Colocasia (elephant ear), and maize.

6. **Conclude the Answer**: Therefore, the answer to the question is that the large green-colored bract in a spadix is known as the "spathium."

### Final Answer:
The large green-colored bract in a spadix is known as the "spathium."

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