sapless

adjectives

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