Ragweed, also known as: raroon, sugar guavas, piper betel. Juniperus communis, perennial climbing herb. Prefer to be born in deep mountains and thorn-ridden cliffs and rock crevices. Its fruit, rind, kernel (seed) and rhizome are all good Chinese herbs.

Attacks: Clearing heat and removing phlegm, broadening the chest and dispersing knots, moistening dryness and sliding the intestines. It is used for lung-heat cough, phlegm yellowish thick, chest paralysis and heart pain, knot chest plumpness, breast carbuncle, lung carbuncle, intestinal carbuncle swelling and pain, constipation.