|More of a shrub than a tree, 'Little Gem' produces small leaves and flowers, bearing blooms even in youth. The least hardy cultivar yeat the most commonly grown. Reaching perhaps to twenty feet at maturity. This evergreen tree has a narrow columnar growth habit. Leaves are dark green, leathery, glossy, broadly ovate, to 8 in. long with rust, hairy undersides. Large fragrant flowers are cup-shaped and creamy white with 9-10 petals up to 10 in. across.