Caused by glucose molecules come in number of thousands. There is a long line structure, and there are a lot of starch in twigs branches, plants and seeds category.
Thousands of glucose molecules connected together. Structured as either long lines and branches. There are many types of starch in plant and seed heads.
Due to the thousands of glucose molecules to each other. With the structure as both a long straps and branches. Flour has a lot of plant type and seed heads.