Yes.
Before I answer YOUR question, please indulge me WHY you say YES to the above question.
Just what makes you think the OM is NOT literal?
Because it doesn't match up with what we know to be natural history. Jesus commonly spoke in parables, that's no big secret. That pattern is pretty well established in His teachings, and so is His disdain for those who are hung up in the specific details of God's writings rather than trying to discern the precepts behind them.
Well, let's start with those trees (the tree of life and the tree of the knowledge of good and evil). They fairly shout "metaphor", don't they.
If they're literal, perhaps you'd like to take a stab at describing what they look like, what kind of fruit they bear, and why we don't seem to have any of them around anymore.
So he drove out the man; and he placed at the east of the garden of Eden Cherubims, and a flaming sword which turned every way, to keep the way of the tree of life. [Gen 3:24]
Where are the Cherubim and the flaming sword?