Fill in the blanks:
Colchicine is obtained from `"________"`

Explanation

**Step-by-Step Solution:**

1. **Identify the substance:** The question asks for the source of colchicine.
2. **Recall the source:** According to the information provided, colchicine is obtained from a specific plant.
3. **Name the plant:** The plant from which colchicine is obtained is called "Colchicum autumnale."
4. **Common name:** This plant is commonly known as the "autumn crocus."
5. **Fill in the blank:** Therefore, the complete answer to the question is: Colchicine is obtained from "Colchicum autumnale."

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