Corymbia ptychocarpa, Eucalyptus ptychocarpa

A popular ornamental tree previously classified as Eucalyptus ptychocarpa but on the re-classification round-about have become Corymbia ptychocarpa. Flower color may be red or shades of pink to creamy white.

Corymbia 'Summer Beauty' is a hybrid between Corymbia ptychocarpa and Corymbia ficifolia.

Corymbia setosa, Eucalyptus setosa

Corymbia terminalis, Eucalyptus terminalis

Corymbia torelliana, Eucalyptus torelliana

Corymbia torelliana has fibrous bark on the base of the trunk followed by smooth bark which is usually greenish. Flowers white in large corymbose panicles on the outside of the foliage.

Eucalyptus citriodora, Corymbia citriodora

A very fast growing evergreen tree native to Queensland, Australia. Leaves have a strong lemony scent when crushed. Leaves yield lemon-scented oil used in perfumery. The trunks and branches of this species are powdery white to pinkish and the trunks are usually very straight. In nature the trees will reach 75-100 ft. While this species get very big in nature, its size is easily control with selective pruning and container size when grown in the greenhouse setting. The white blooms are not very distinctive. The blooms are followed by woody urn-shaped capsules about 1/2 inch wide. Eucalyptus citriodora need full sun with a well-drained soil mix for container growing. In the landscape, trees are pretty hardy and tolerate some frost.