usage: any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever
2. fever tree, Georgia bark, bitter-bark, Pinckneya pubens, shrub, bush
usage: ornamental shrub or small tree of swampy areas in southwestern United States having large pink or white sepals and yielding Georgia bark for treating fever
3. blue gum, fever tree, Eucalyptus globulus, eucalyptus, eucalypt, eucalyptus tree
usage: tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish
4. fever tree, Acacia xanthophloea, acacia
usage: African tree supposed to mark healthful regions