Wild Flowers Of Strathclyde Park
medieval times Comfrey was used in bone setting, leading to the folk-names
'knitbone' and 'boneset'. A sludge, made from the roots of the plant was
packed around the broken limb, and the bone "came together or in Latin,
conferre, hence its common name. Herbalists used Comfrey to heal
ruptures and draw splinters.
More recently Comfrey mixed with liquorice and sugar was used to make cough linctus. Comfrey can be boiled and eaten like spinach