Lemon Tree, very pretty, and the Lemon flower is sweet, but the fruit of the poor lemon is impossible to eat

The Lemon Tree is like the Frankincense tree- it's not for growing things to eat, but for growing things to make things smell good

And

The Lemon Tree is like the Clove Tree- it's not for growing things to eat, but for growing things to give flavor to the things we eat