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Common Name: Snake-Needle Grass
Oldenlandia diffusa is an annual plant that can grow up to 0.30 metres tall.
It is harvested from the wild for local use as a medicine..
E. Asia - China, Japan, Korea and Formosa.
Moist ground and fields[
]. A weed of gardens and fields[
Prefers growing in a damp soil in partial shade[
This species is not very hardy outdoors in Britain, tolerating temperatures down to about -5°c[
]. It should be possible to grow it as a spring-sown annual in most parts of the country[
Snake-needle grass is a pleasant-tasting cooling, alterative herb that lowers fever, reduces inflammation, relieves pain and is diuretic and antibacterial[
]. It acts mainly on the liver and also stimulates the immune system[
The whole plant is alterative, anodyne, antibacterial, anti-inflammatory, antitumor, cardiotonic, depurative, diuretic, febrifuge and sedative[
]. The plant is harvested in the summer and dried for later use[
]. It is taken internally in the treatment of fevers, coughs, asthma, jaundice, impure blood, urinary tract infections, acute appendicitis, biliousness and cancers of the digestive tract[
]. Externally, it is used in the treatment of snake bites, boils, abscesses and severe bruising[
Seed - sow spring in situ.