Larch 
For those who do not consider themselves as good or as capable as those around them, who expect failure, who feel that they will never be a success, and so do not venture or make a strong enough attempt to succeed. 
Keyword: Lack of confidence, depressed, discouraged, feeling of inferiority
Human indication: When you need more self confidence
Animal/pet indication: Lack of self-confidence or avoiding situations where they have to perform.