sapless in WordNet English dictionary

1. lacking bodily or muscular strength or vitality
   "a feeble old woman"; "her body looked sapless"
   decrepit  debile  feeble  infirm  rickety  sapless  weak  weakly 
   
2. destitute of sap and other vital juices; dry
   "the rats and roaches scurrying along the sapless planks"- Norman Mailer
   sapless