Puhuang, the name of Chinese medicine. Dry pollen for Typha angustifolia L., Typha orientalis Presl or the same genus of the genus Catfish. In the summer, the yellow male inflorescence on the upper part of the stick is harvested, dried and rolled, and the pollen is sieved. After cutting the male flowers, they are dried and become pollen with male flowers, which is grass and yellow.
