Flores looks like the Spanish word for "flowers," and DAFN treats some lines as a byname or nickname from flores / flor. It also notes influence from Flórez, a patronymic surname that could drift toward the flowers spelling.
That fork is why confidence is likely: your tree might be floral nickname, Flórez-derived, or both blurred in records. For a family-friendly lead we keep the flowers nickname reading and file the type accordingly, while warning that Flórez is a real alternate path.