Small patches of bark are harvested from trees over 10 years old in early autumn. The outer bark is peeled away and the smooth inner pure white elastic latex bark is dried, thought responsible for healing properties.
Eucommia ulmoides.
The leaves contain a fragrant volatile oil.
Witch hazel bark and leaves.
Although chiefly valued for its decorative fine-grained wood, the tree's bark, root, leaves, and nuts all have medicinal properties.
The red-black berry is the most used part and the leaves and blue violet flowers also contain medicinal properties.
The noni fruit and other parts of the plant also are used medicinally, including the leaves, bark, flowers, and roots.
The tree's bark contains an oil with many active ingredients; waxes, fatty acids, and other less familiar compounds.
The ripe, berries and needles from the tree are used in herbal medicine. The tree's therapeutic properties stem from a volatile oil found in the berries.
Apricot seed is the small kernel enclosed within the wood-like pit at the center of the apricot fruit.
Hardy rubber tree, the gutta-percha tree or Du Zhong.
The tree is a member of the rubber family and is native to the mountainous regions of China.
The flowers and berries are used most often, although the leaves, bark, and roots are also considered to have therapeutic effects.