Dogbane Leaf

Primarily produced in northwestern, northern, and northeastern China.

Often wrinkled, sometimes crushed, intact leaves are oval-lanceolae or elliptical-lanceolate shaped after being flattened, 2~5cm long, 0.5~2cm wide, pale green or grayish-green, apex is blunt with small point, base is blunt round or a wedge-like shape, edges have thin saw-teeth, often curled over, both sides have no hairs, raised leaf veins on the lower surface; leaf stem is thin, about 4mm long. Brittle texture, faint odor, tasteless.

Superior medicinal material is intact, green.

Sweet, bitter, cool

Calms the liver and spirit, clears heat, promotes urination. Apply to dizziness due to liver yang, palpitation, insomnia, edema and oliguresis, hypertension, neurdeficiency, edema due to nephritis.