In your case, it is little late and so one should expect other developments also to be completed a bit late. Normally the
facial hairs and body hairs develop
during the later stages of puberty and I feel you have still time. You can google for ' Delayed puberty ' and get more details. Nevertheless, it is a good idea to consult an endocrinologist, and get his views. Body and facial hairs as well as occurrence of late puberty are also hereditary.