Prunella vulgaris or Xià Kū Cǎo is a herbaceous plant in the genus Prunella. "Self-heal" is a common name, is edible: the young leaves and stems can be eaten raw in salads; the plant in whole can be boiled and eaten as a potherb; and the aerial parts of the plant can be powdered and brewed in a cold infusion to make a beverage.
The original plant is originated from two species (P. vulgaris, P. asiatica). P. hispida was used as a certified medicinal material in Yunnan province from Ming Dynasty to modern time. The dietotherapy history of P. vulgaris in China can be traced back to Ming Dynasty or before.
Prunella vulgaris is a perennial herb native in Europe, Asia, Africa, and North America, and is common in most temperate climates. It was introduced to many countries in the 1800s and has become invasive in the Pacific Islands, including Australia, New Zealand, and Hawaii. In Ireland, it is generally abundant.
Statements have not been evaluated by the Food and Drug Administration, and are not intended to treat or diagnose any disease or health condition. The information on this website is intended for informational purposes only. It is recommended that patients check with their doctors before taking herbs, to ensure that there are no contraindications with prescription medications.