银杏是我国特有的古老树种，它属于新生代第三纪遗留下来的极少数物种之一，被人称为植物“活化石”。我国现有银杏树一般为雌雄异株。雌树银杏，先花后果，常规果实生长在果枝上。但是，在陕西发现的这株银杏，果实却结在叶片之上，银杏叶片既是叶子又是花萼，故而被专家... Ginkgo biloba is an ancient species unique to our country. It belongs to one of the very few species left by the Cenozoic Tertiary. It is called a plant “living fossil.” The existing ginkgo trees in our country are usually dioecious. Ginkgo biloba, flower first fruit, fruit growth in the branches. However, this strain of ginkgo found in Shaanxi, the fruit is knotted above the leaves, ginkgo leaves both leaves and calyx, it was experts ...