Noun
A myrtaceous genus of trees, mostly Australian. Many of them grow to an immense height, one or two species exceeding the height even of the California Sequoia.
Source: Webster's dictionaryAccessed November 10, 2012 Each colony defends a territory of about convert where eucalyptus trees provide a staple food source. Source: Internet
Although eucalyptus trees are seemingly well-defended from herbivores by the oils and phenolic compounds, they have insect pests. Source: Internet
An inquiry in June found koalas, which live in eucalyptus forests, could become extinct by 2050 in New South Wales unless the government immediately intervened. Source: Internet
Although mature eucalyptus trees may be towering and fully leafed, their shade is characteristically patchy because the leaves usually hang downwards. Source: Internet
Although all large trees can drop branches, the weight of eucalyptus wood is high because of its density and high resin content. Source: Internet
Also those bird species that glean insects from foliage, such as warblers and vireos, have population declines when eucalyptus replace oak forest. Source: Internet