1, qi, a Chinese secondary word, pronounced Qi (qí), [Astragalus membranaceus] is a perennial herb with its stems lying on the ground and roots that can be used as medicine. Also known as "Huang Qi". Qi Mu is a perennial herb with slender leaves and lilac flowers, also known as Anemarrhena asphodeloides.

2. "Astragalus membranaceus" is a perennial herb with odd pinnate compound leaves, oval leaflets, yellow flowers, pods and roots used as medicine.

3, source: "Compendium of Materia Medica" A Dai San, a prince and grandson, the root is three feet long and folded like cotton, named Mian Huang Qi.