Erythrina crista-galli Erythrina crista-galli Erythrina crista-galli, often known as the cockspur coral tree, is a flowering tree in the family Fabaceae, native to Argentina, Uruguay, southern Brazil and Paraguay. It is widely planted as a street or garden tree in other countries, notably in California. It is known by several common names within South America: ', ' (Spanish), "" (Portuguese) and the more ambiguous "bucaré", to name a few. Its specific epithet "crista-galli" means "cock's comb" in Latin. The ceibo is the national tree of Argentina, and its flower the national flower of Argentina and Uruguay. This species characteristically grows wild in
The Miao Flower Mountain Festival around the tree, and that year the crops grew well. The Miao attributed the successful growth of their crops to the ritual, and continued to practice it. Since then, every participant puts on their best attire and heads into the mountains to plant a flower. In celebration, they hold events such as bullfighting, lion dances and pole-climbing. The pole-climbing event is especially important to the Miao, and whoever wins is awarded a pig's head and good wine. In 2014, the festival was approved by the state council and listed in the fourth batch of national intangible cultural heritage as a