| Eucalyptus species |
![]() Order: Myrtales Eucalyptus species is a diverse genus of flowering trees (and a few shrubs) in the myrtle family. A mature Eucalyptus may take the form of a low shrub or a very large tree. There are three main habit and four size categories that species can be divided into. Their leaves are evergreen but some tropical species lose their leaves at the end of the dry season. As in other members of the myrtle family, Eucalyptus leaves are covered with oil glands. Their flowers have numerous fluffy stamens which may be white, cream, yellow, pink or red; in bud, the stamens are enclosed in a cap known as an operculum which is composed of the fused sepals or petals or both. Thus flowers have no petals, but instead decorate themselves with the many showy stamens. Its oil can be used for cleaning and functions as a natural insecticide, and it is sometimes used to drain swamps and thereby reduce the risk of malaria. |
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