Clusia-Autograph Tree, Clusia Rosea – AKA Autograph Tree due to the fact that the leaves can be written on with a fingernail and will darken as the leaf remains on the Clusia Leaf. Clusia rosea. Clusia, Autograph Tree, Pitch Apple. A dense, neat looking tree that is very salt, wind, and drought tolerant. Known as autograph Hedge-25 Gallon Clusia for Sale