Meaning : Any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever.
Meaning : 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.
Synonyms : bitter-bark, georgia bark, pinckneya pubens
Meaning : Tall fast-growing timber tree with leaves containing a medicinal oil. Young leaves are bluish.
Synonyms : blue gum, eucalyptus globulus
Meaning : African tree supposed to mark healthful regions.
Synonyms : acacia xanthophloea