A botanical expedition is like going on a very exciting adventure to find and learn about different types of plants. It's kind of like treasure hunting, but instead of looking for gold and jewels, you are searching for different plants and flowers that are hiding out in different parts of the world.
Scientists and explorers go on these expeditions to find new types of plants, study them, and learn about how they work. They might go to a jungle, a mountain, or even a desert to look for these plants.
Once they find a new plant, they study it very closely to find out things like what it looks like, how it grows, what it's used for, and whether it has any special powers. They might take pictures of it or take small pieces of it back with them to study later.
Botanical expeditions are very important because they help us understand more about the natural world and can even help us discover new medicines or foods that could be helpful to people. So, it's like going on a super fun adventure while also helping people learn more about our planet!