The Oak is a polymorphic evergreen or deciduous tree that produces acorns; four main species are found growing throughout Greece. Associated with Zeus, god of the sky and just rulership, the Oak is a steadfast ally in our search for wisdom and strength of conviction. One of the most important sites of the sacred Oak is the Oracle of Dodona, where pilgrims sought its wise counsel. The Oak is a formidable elder and can be called upon when we are unsure of — or are doubting — our values.