Acacia Xanthophloea, also known as the fever tree, is a common tree species found in Africa. It is famous for its bright yellow bark, which is a result of the tree's reaction to sun exposure. While it is widely known by its scientific name, there are several other synonyms for Acacia Xanthophloea. One of the tree's alternate names is the yellow-barked acacia due to its distinctive coloring. The tree is also known as the umbrella thorn acacia due to its wide, umbrella-like shape. Other synonyms for Acacia Xanthophloea include the whistling thorn and the siren tree, named after the sounds made by wind gusts through its thorns.