It is drought tolerant, but hates to be transplanted due to its long taproot. Root, collected in the fall. There are so many different medicinal components to this plant that I will mention those that are most active in the parts where they are found. I would encourage one who is interested in doing more research on this valuable plant to look into James Duke's website for a further breakdown. When these membranes become inflammed this fluid is not produced.
Friction is the result, causing painful breathing.
Pleurisy root reduces inflammation of the pleural membranes and helps secretion of a healthy serous fluid. In addition, it stimulates the lymphatic system to reabsorb liquids that have built up in and around the lung area. In addition Pleurisy root helps most chest complaints, especially bronchitis because it brings on expectoration while reducing inflammation very quickly. It also can influence the skin and circulation by relaxing capillaries. For catarrhal conditions it is one of the most effective plants for use in the early stages, reducing the amount of catarrah and making the patient more comfortable.