Paeonia decomposita, known as Sichuan Mu Dan or Sichuan Tree Peony, is a rare and highly prized wild tree peony native to the remote mountains of northwest Sichuan, China. This elegant woody shrub is admired for its large, fragrant, single pink flowers that bloom in spring, set against finely divided ornamental foliage and distinctive grey-black bark. Growing naturally in thickets and light mountain forests at 6,000-10,00 ft, it combines beauty, rarity, and botanical distinction. Beyond its ornamental value, it is also respected in traditional Chinese culture for its medicinal root bark, known as Danpi, and for its oil-rich seeds, valued in cosmetics and wellness products. Because of its limited natural range and endangered status, Paeonia decomposita is especially treasured by collectors and gardeners seeking an unusual, authentic species peony with strong character, graceful form, and important cultural heritage.