Defining True Fruits

Why isn’t a cashew a nut? Learn the answer to this question and more in the second installment of our Herbarium department, in which we explain the different types of plants and the scientific logic behind their classification.

Mulberries
Mulberries are an example of a "multiple fruit structure" because of its many flowers crowded together along a fleshy, stem-like axis.
Photo by istock/klazing