Cotton flower language is to cherish the people around. Cotton is not a real flower. Cotton plants produce milky white or pink flowers.
Usually people say that the cotton will split into several petals automatically when the fruit is ripe, and several white seed fibers will be exposed inside. This kind of fiber is the cotton we usually see that can spin and weave.
Cotton flowers are usually milky white. They will turn into crimson soon after flowering, and then wither, leaving small green capsules. This kind of capsule is usually called cotton boll. There are cottonseed in the inner part of the cotton boll. The fluff on the cottonseed grows from the skin of the cottonseed, and it will be full of the inner part of the cotton boll. When the cotton boll is mature, it will crack, revealing the soft fiber inside.