How many types of vegetables are in the world and what names?

It's difficult to give an exact number for the types of vegetables in the world as the classification and categories can vary depending on different factors. However, some estimates suggest there could be several thousand varieties of vegetables grown worldwide. Here are some examples of common types of vegetables:

1. Root Vegetables:

- Potato

- Carrot

- Radish

- Turnip

- Sweet potato

- Beet

- Onion

2. Leafy Greens:

- Lettuce

- Spinach

- Kale

- Collard greens

- Chard

- Cabbage

- Broccoli

3. Legumes:

- Peas

- Beans (green beans, kidney beans, etc.)

- Lentils

- Chickpeas

4. Cruciferous Vegetables:

- Cauliflower

- Brussels sprouts

- Broccoli

- Cabbage

- Kale

5. Solanaceous Vegetables:

- Tomato

- Potato

- Eggplant

- Bell pepper

- Chili pepper

6. Cucurbit Vegetables:

- Cucumber

- Zucchini

- Pumpkin

- Squash

- Watermelon

7. Brassicas:

- Brussels sprouts

- Cabbage

- Cauliflower

- Broccoli

- Kale

8. Alliums:

- Onion

- Garlic

- Chives

- Leek

- Shallot

9. Asparagus:

- Asparagus

10. Mushrooms:

- Button mushrooms

- Portobello mushrooms

- Shiitake mushrooms

11. Edible Flowers:

- Nasturtium

- Dandelion

- Viola

12. Tropical Vegetables:

- Mango

- Papaya

- Coconut

- Banana

- Avocado

This list is just a small sampling of the many types of vegetables available around the world. Each region and culture might have its own unique varieties that are popular in that area.