Sugar can be derived from various sources, primarily plants. The most common sources include:

1. **Sugarcane**: This tropical grass is the primary source of sugar worldwide, accounting for about 80% of global sugar production.
2. **Sugar beets**: These root vegetables are the main source of sugar in many temperate regions, particularly in Europe and North America.
3. **Corn**: Corn is used to produce high-fructose corn syrup, a sweetener found in many processed foods and beverages.
4. **Fruits**: Many fruits naturally contain sugars, such as fructose and glucose. Examples include apples, grapes, and berries.
5. **Maple trees**: Maple syrup, derived from the sap of maple trees, is a natural sweetener used in various foods.
6. **Coconuts**: Coconut sugar is made from the sap of the flower buds of the coconut palm.
7. **Sorghum**: Sorghum syrup is made from the juice of the sorghum plant.

These sources provide different types of sugars and sweeteners used in various culinary and food manufacturing processes.