Boletus, a name in traditional Chinese medicine. It refers to the fruiting bodies of the fungi in the Boletaceae family: Boletus speciosus Frost [Suillus speciosus (Frost) Kuntz.], Boletus queletii Schulz., Boletus regius Krombh., and Boletus satanas Lenz.Boletus speciosus is found in Jiangsu, Anhui, Zhejiang, Guangdong, Sichuan, Guizhou, and Yunnan; Boletus queletii is found in Hubei, Sichuan, Yunnan, and Tibet; Boletus regius is found in Sichuan, Guizhou, and Yunnan; and Boletus satanas is found in Sichuan and Yunnan. It has the therapeutic effects of aiding digestion, harmonizing the middle burner, dispelling wind-cold, and relaxing the tendons and meridians. It is commonly used to treat poor appetite, abdominal distension, pain in the lower back and legs, and numbness in the hands and feet.