Common St. Paulswort Herb|Glandulartalk St. Paulswort Herb

Primarily produced in the areas south of the Yangtze River of China.

Stem is square column-shaped, often branched, 30~110cm long. 0.3~1cm diameter; externally grayish-green, yellowish-brown or purplish-brown, with longitudinal grooves and thin wrinkles, covered gray soft hairs; obvious joints, slightly enlarged; brittle texture, easily broken, fractured yellowish-white or with green, wide pith, off-white, hollow center. Opposing leaves, often wrinkled, rolled, oval shape after being flattened, grayish-green, edge has blunt teeth, both sides has white soft hair, and main vein is trinerve. Some can see yellow flower head, involucres are spoon-like. faint odor, slightly bitter taste.

Superior medicinal material has numerous leaves, green color, tender texture.

Acrid, bitter, cold

Dispels wind-damp, promotes joints, resolves toxin. Apply to wind-damp impediment, discomfort in bones and muscles, deficiency of waist and knee, extremity impediment, hemiparalysis, rashes and damp sores.