It isn't just fruit, vegetables and nuts we humans eat--many species of flowering plant have edible and delicious flowers as well. For example, in Japan and China the chrysanthemum is eaten--they even make chrysanthemum fritters.
Flowers of the compositae family were once candied in England. Today we call them daisies. Jasmine is a genus of the olive family, and its petals are made into tea. Lavender is a member of the mint family, and can be found in jellies. Calendula officinalis, a.k.a. marigolds, are eaten by the Dutch in eel soup. Nasturtium is sometimes used in salads. And the French use violets in cakes, soups, and in violet vinegar.
Why Does Popcorn Pop? (Mjf Books)