The leaves or pods.
Senna is a natural plant that has been used medicinally for thousands of years. In small doses, Senna promotes the expulsion of bowel contents and the loss of water weight.
The aerial parts of the plant are used medicinally.
Ginkgo leaves, fresh or dry, and seeds, separated from the outer layer of the fruit, are used medicinally.
The root of the plant is used medicinally, and tea is sometimes made from the leaves. Chinese herbalists consider roots older than three years to be the most effective medicinally.
The root of the plant is used medicinally, particularly in China, where traditional Chinese medicine places a high value on it.
C. yanhusuo: the rhizome (underground stem) is used in healing. C. cava: the tubers (knobby, fleshy underground stems) are used medicinally.
Mugwort leaf and stem are used medicinally. Mugwort is harvested just as the plant comes into flower, before the blossoms are fully open.
The parts used medicinally are the whole plant and root, or rhizome, which is collected in the fall.
an evergreen shrub of warm, arid regions that has trailing or climbing stems and tiny, scalelike leaves. Some kinds are a source ofephedrine and are used medicinally.
Feverfew leaves and flowers are used medicinally. Feverfew should be harvested just as the plant comes into flower and before the blossoms are fully open.
All parts of sheep sorrel (leaves, flowers, roots, and stems) are used medicinally. The leaves and stems should be harvested in the spring or summer before the flowers form. The roots are harvested in the fall.
The leaves and stems should be gathered from young plants on a dry day, before the plant flowers. Nettle's aerial parts may be used fresh or dried. The root is harvested in the fall when the plant has died back.