Fei Cai's leaves are alternate, oval, between 4-8cm in length and 2cm in width. The top of the leaves is pointed, the base is wedge-shaped, and the edge has irregular serrations. Fei Cai's leaves are relatively hard, feel thick, surface oil, like leather.
Fei Cai's flower is an umbrella with many small flowers on the catkins, which are relatively flat. The flower is yellow, and the style is long and diamond shaped. Generally, a flower has 5 petals, the overall length of the flower is about 6-10 mm, and the scales are oval and oblong, with bracts at the bottom. Flowering in June and July