It grows node by node. In Sichuan, it is called "Huo Jing Ye" (Fire Stem and Leaf), and its appearance is quite similar to *Xanthium sibiricum* (Cang Er). Who would have thought that within such a humble plant lies remarkable efficacy. If taken for up to a thousand doses, the beard and hair turn black, and muscle strength and physical power become more robust, with diverse therapeutic effects. An official in my prefecture suffered from aphonia (loss of voice) and inability to speak; I administered ten doses to him, and his illness was cured immediately. Additionally, a monk named Zhi Yan, aged seventy, suddenly suffered from hemiplegia (one-sided paralysis); after taking ten doses, he also recovered promptly. These are now compiled into one hundred prescriptions, submitted for imperial presentation by appointed officials.
It is used to treat Wei Bi (Stomach Bi-syndrome) and Re Zhong (Heat in the Middle Jiao), to relieve thirst, stop dysentery, and regulate urination; it supplements Qi and strengthens vitality, tonifies the Middle Jiao, lightens the body, and promotes longevity when consumed as rice cooked with Liang Mi (Sorghum or Millet). Alternatively, wash the affected area with a strongly decocted infusion of Ma Cao.