[["Oak","Lobed leaves"],["Maple","Palmate leaves"],["Pine","Needle-like leaves"],["Birch","Triangular leaves"],["Willow","Long narrow leaves"],["Elm","Oval serrated leaves"],["Redwood","Flat needle leaves"],["Ginkgo","Fan-shaped leaves"],["Ash","Compound pinnate leaves"],["Holly","Spiny edged leaves"],["Cypress","Scale-like leaves"],["Chestnut","Palmate compound leaves"],["Beech","Smooth oval leaves"],["Magnolia","Broad glossy leaves"],["Sycamore","Large lobed leaves"],["Spruce","Stiff needle leaves"],["Linden","Heart-shaped leaves"],["Poplar","Diamond-shaped leaves"],["Dogwood","Curved-vein leaves"],["Buckeye","Palmate leaves"]]