Shillelagh (club) Shillelagh (club) A shillelagh ( or ; , "thonged willow") or blackthorn stick is a wooden walking stick and club or cudgel, typically made from a stout knotty stick with a large knob at the top. It is associated with Ireland and Irish folklore. Shillelaghs are traditionally made from blackthorn (sloe) wood ("Prunus spinosa") or oak. Wood from the root was prized as it was less prone to crack or break during use. The wood would be smeared with butter or lard, and placed up a chimney to cure, giving the shillelagh its typical black shiny appearance. Another method was
Prunus avium parent species of "Prunus cerasus" (sour cherry), by way of ancient crosses between it and "Prunus fruticosa" (dwarf cherry) in the areas where the two species overlap. All three species can breed with one another. "Prunus cerasus" is now a species in its own right, having developed beyond a hybrid and stabilised. Pliny distinguishes between "Prunus", the plum fruit, and "Cerasus", the cherry fruit. Already in Pliny quite a number of cultivars are cited, some possibly species or varieties, Aproniana, Lutatia, Caeciliana, and so on. Pliny grades them by flavour, including dulcis ("sweet") and acer ("sharp"). and goes so far