Roots, stems, leaves and flowers have the effects of expelling wind and removing dampness, clearing away heat and diuresis, relieving pain, calming the liver and lowering blood pressure. It has certain curative effect on rheumatic joint pain, hemiplegia, hypertension, migraine, malaria, dysentery, hemorrhoids and carbuncle and scabies.

Main functions:

1, roots, stems, leaves and flowers are used as medicine, which has the effects of expelling wind and removing dampness, clearing away heat and diuresis, relieving pain, calming the liver and lowering blood pressure.

2. It has certain curative effect on rheumatic joint pain, hemiplegia, hypertension, migraine, malaria, dysentery, hemorrhoids, carbuncle and scabies.

Morphological characteristics:

1, Banhongcai is a plant of Erythrina in Verbenaceae, commonly known as Changshan in Haizhou, and also known as Indus because of its special smell. Shrubs or small trees, up to 6 meters high.

2. Flowers and fruits are beautiful and are excellent ornamental flowers and trees. When flowering, the white corolla is lined with purple flowers.

3. A tree has flowers and fruits * * *, bright colors of white, red and blue, long flowering and fruiting period and lush plants. It is a good ornamental flower, suitable for both clumping and single planting, and is a good material for arranging garden scenery.