This vase-shaped tree features a profusion of large, pink-white, semi-double flowers that emerge from pink buds during late spring. Malus ioensis ‘Plena’ produces lovely yellow, orange, and red autumn leaves but hardly any fruit. Due to its characteristics, Malus ioensis ‘Plena’ is an excellent option as a street tree. Malus ioensis is deciduous and native to the United States. Learn more about Malus ioensis. Malus ioensis ‘Plena’ was discovered in about 1840 by E. A. Bechtel in the wild in Illinois, United States and was introduced in 1888.