The Standing Committee of the Eighth People's Congress of Xiamen City decided the matter on October 23, 1986 in its 23rd conference. Phoenix Tree is also called "Red Pillars" or "Flamboyant Tree". It is a deciduous arbor belonging to leguminous family. It can be as tall as 20 meters. The crown of the tree is very broad with binatopinnate double leaves. There are 10~24 pairs of plumed plate. Each plumed plate has 20~40 pairs of small leaves. The little leaves appear to be long ellipse shape. The tree will blossom in summer with botrus big flowers of red color and luster. The legume has the nature of wood with a length of 50 centimeters. It was originally planted in Africa. There are a lot of the trees planted in the south of our country. It is a beautiful tree for courtyard and street. With elegant branches and beautiful leaves, it is a typical southern China tree. In the summer days, the trees can provide shady and cool atmosphere to the city. The red flowers showed cluster after cluster representing the construction field, which is like a raging fire of the Special Economic Zone. It also represents the features of Xiamen, the character of Xiamen people and the rapid development of the Xiamen Special Economic Zone.