Persicaria perfoliata (L.) H.Gross

Persicaria perfoliata (L.) H.Gross, Bot. Jahrb. Syst. 49(2): 275 (280-281, fig. 124) (1913).

Persicaria perfoliata (L.) H.Gross, Photo by Nguyễn Tiến Phong

its native range is NE. Turkey to Russian Far East and New Guinea.

Vietnamese name: 

Rau má ngọ, Rau sông chua dây, Thồm lồm gai, Giang bản quy.

Latin name: 

Polygonum perfoliatum L.

Family: 

Polygonaeae 

Distribution:

In Vietnam: Grows wild in humid places, plains as well as highlands.

Chemical composition:

In the plant there is a glycoside called indican

Uses: 

Cure ear sores, otitis media, boils (Piece leaves for topical or small application). Snakebite, hemorrhoids, dysentery, bronchitis, whooping cough, nephritis, eczema, ringworm, pyoderma.