Bud. Dry yellow flowers, needless to say, can be eaten as a whole; If there are fresh yellow flowers, you must eat the flower buds of the stamens (the stamens contain colchicine, which will do harm to the body cells if it is slightly excessive, but the human body has little demand for it). In other words, yellow flowers only eat buds. Dried yellow flowers are also made from flower buds. The nutrition of yellow flowers is not so good after flowering.