Toothed Leaf Ash is a plant of the Hydrangeaceae family and the Ash genus. Shrubs, 1-3 meters high; The flower branches are 8-12 centimeters long. Leaves papery, ovate or ovate lanceolate, petiole 3-8 mm long, sparsely covered with stellate hairs. The inflorescence is 5-10 centimeters long, with many flowers sparsely covered with star shaped hairs; Flower buds are oblong in shape; Crown diameter 1.5-2.5 centimeters; The flower stem is 3-5 millimeters long; Calyx tube cup-shaped, lobes ovate, densely covered with yellow brown star shaped hairs along with the flower stem and calyx tube; The petals are white, narrowly elliptical in shape, with a sharp apex and a narrowed base. The outer surface is covered with star shaped hairs, and the flower buds are arranged in a closed manner inward; The outer stamen is 8-10 millimeters long, while the inner stamen is shorter; Anthers are oblong in shape.