Sentence:  It was a refined mouth, accustomed to the better things in life. With it he sorted out the few poisonous fungi from the good ones, and enjoyed fallen fruit, carrion, tubers, berries, sprouted nuts, and the <WSD>bitesome</WSD> green balled fists of ferns just up. 
Meaning of the word marked with <WSD> tags:  Characterised or marked by biting