It has evolved in Taiwan over tens of thousands of years, and is a valuable part of the gene pool. But we can only wait and see whether it will survive the scale insect epidemic. When communities of organisms are separated from each other by mountains, oceans or other geographical obstacles, over time differences evolve in their form and genetic characteristics.
生物在長時間演化過程中，因為高山、海洋等地理環境的隔絕，因而在形態、基因上，逐漸演化出與眾不同的特徵。