African tree supposed to mark healthful regions 同义词:Acacia xanthophloea,
tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish 同义词:blue gum, Eucalyptus globulus,
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 同义词:Georgia bark, bitter-bark, Pinckneya pubens,
any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever