Leaf of Apocynum venetum L., family Apocynaceae.
Leaf appearing as shrunken and broken pieces. The complete blade elliptical
to oblong-lanceolate, 2-5 cm long, 0.5-2.0 cm broad, grey-green; apex
obtuse, aristulate; base obtuse rounded or cuneate; maigin serrulate,
usually revolute. Petiole about 4 mm long. Bland and astringent in taste,
cool in nature, and attributive to liver channel.
1. Calm the liver and clear away heat: For sthenia of liver-yang manifested
as headache, dizziness, conjunctivitis, irritability and insomnia. Recently,
used for hypertension.
2. Relieve cough and dyspnea: For cough of wind-heat type, chronic cough
3. Promote diuresis: For edema and dysuria.
Lowering blood pressure in dogs with renal hypertension.
may be used as daily drink.