Smallest angiospermic parasite Arceuthobium is:

Options

A. Total root parasite
B. Total stem parasite
C. Partial root parasite
D. Partial stem parasite

Answer

To solve the question regarding the smallest angiospermic parasite Arceuthobium, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**:
- The organism in question is Arceuthobium, commonly known as Dwarf Mistletoe.

2. **Understand its Classification**:
- Arceuthobium is classified as a parasitic plant that belongs to the angiosperms (flowering plants).

3. **Determine Size**:
- It is noted to be the smallest angiospermic parasite, measuring between 5 mm to 8 mm in length.

4. **Identify Host Plants**:
- This parasite typically grows on forest trees, particularly on species like Pine (Pinus) and Junipers.

5. **Classify the Type of Parasite**:
- Arceuthobium is categorized as a total stem parasite, meaning it derives all its nutrients from the host plant's stem.

6. **Select the Correct Option**:
- Based on the classification of Arceuthobium as a total stem parasite, the correct answer to the question is that it is a total stem parasite.

### Final Answer:
- **Arceuthobium is a total stem parasite.**

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