Most times, until we explore our inner selves we can only see what we can do, not until now, I couldn't believe you could draw so good, it looks close to accurate, interesting I see how you have graphically represented an image of a flower on a paper, and truly drawing requires a special kind of spirit, creativeness, imaginations and gentleness. To be a professional artist, it will be a long journey my dear, but besides as a novice you really did well with this diagram.