What are the differences between mustard greens, rapeseed, European rapeseed, and black mustard? How do their uses differ? Why did they evolve to be spicy? Brassica plants, essential for Japanese mustard and salad oil, have increased fruit production thanks to insect visits!
Brassica napus, rapeseed, European rapeseed, and black mustard are four species of yellow flowers that bloom in spring and belong to the Brassicaceae family. Their flower shapes are almost identical, and their habitats are also nearly the same. Furthermore, there are many closely related species, making identification extremely confusing. This complexity is such that even researchers sometimes misidentify them. Recent research has revealed...