Astragalus propinquus "A. propinquus" is listed in the following official Pharmacopeia: Astragalus propinquus Astragalus propinquus (syn. "Astragalus membranaceus", commonly known as Mongolian milkvetch in English and as "huáng qí" (), "běi qí" () or "huáng huā huáng qí" (), in Chinese, is a flowering plant in the family Fabaceae. It is one of the 50 fundamental herbs used in traditional Chinese medicine. It is a perennial plant and it is not listed as being threatened. "A. propinquus" is used in traditional Chinese medicine (TCM). "A. propinquus" is an component in Lectranal, a food supplement used in treatment of seasonal allergic rhinitis, though
Balsam of Peru listed by its name by mandatory labeling conventions. It can cause allergic reactions, with numerous large surveys identifying it as being in the "top five" allergens most commonly causing patch test reactions. It may cause inflammation, redness, swelling, soreness, itching, and blisters, including allergic contact dermatitis, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantar dermatitis, rhinitis, and conjunctivitis. Balsam of Peru is an aromatic viscous resin obtained by scorching or inflicting V-shaped wounds on the bark