Bulbus fritillariae cirrhosae (simplified chinese : 川贝母, pinyin : chuānbèimǔ) is the bulb of the Himalayan frillitary lily. It is used extensively in Chinese herbology, for example in the Baihe Gujin Wan, to 'nourish yin of the lung, resolve phlegm and relieve cough'. Bulbus fritillariae cirrhosae (simplified chinese : 川贝母, pinyin : chuānbèimǔ) is the bulb of the Himalayan frillitary lily. It is used extensively in Chinese herbology, for example in the Baihe Gujin Wan, to 'nourish yin of the lung, resolve phlegm and relieve cough'.