Emerald is a female dragon from Dragon then Xanth. She was introduced in Ghost Writer in the Sky as a major character.
Emerald is the daughter of a dragon king and wife of Merara.
Emerald has silver scales with emerald green edging in dragon form. She has silver hair and green finger and toe nails while in human form. She is a lesbian. She played the Wicked Witch of the Vest in "The Lizard of Waz" and the Queen in "The Princess and the Hog".
Human men and women will not have a species in their entries. Also, if the surname of the character is the character's species, it was dropped.
If the character is a child, it will be in the description. The child will more than likely be an adult by this time in the Xanth series.
Many species are single gender, so their entries will not mention it. The species are Fury, Muse, basilisk, cenmaid, cenmare, cockatrice, dryad, maenad, sand witch, sandman, and woodwife. Harpies and nymphs are usually female, and fauns are usually male; but there have been a few exceptions that are noted.
In some instances, I have made educated guesses on gender, species, and some birth years.