Exclamation! London Planetree - Sycamore- 5 Gallon Potted TreeThe Exclamation! London Planetree is an excellent shade tree if you are looking for disease resistance and a tolerance of poor conditions. With beautiful green, brown and tan exfoliating bark that peels off in large chunks, Exclamation! is a hybrid of the American sycamore (Plantus x occidentalis) and the Asian Plantetree (Plantus Orientalis) that was created specifically for its ability to resist a number of diseases that commonly afflict shade