2. The leaves, bark and acorn fruit of Quercus acutissima have medicinal value. The leaves of Castanopsis fissa contain 65438 04.9% of protein, which can be used to raise tussah. Alsophila spinulosa leaves are often used to wrap zongzi and make Alsophila spinulosa leaf cakes, which are unique in flavor and appetizing. It is a rare specialty food.