The leaves of the red maple are triangular in shape and have 3-5 lobes. This tree is one of the first trees to show color in the fall. The red maple produces red flowers in dense clusters with male and female flowers on separate branches. Female flowers are often more showy in that there are a deeper red. The champion NY tree is recorded at 135 feet tall with a circumference of 225 inches in Madison County. The biggest red maple in the US stands at 141 feet tall and just over 7 feet in diameter in the Great Smokey Mountains National Park.