Māori Plant Use

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Plant Use Details 

Rumex obtusifolius. Common dock (introduced).
FAMILY: Polygonaceae
BOTANICAL NAME: Rumex obtusifolius Introduced dock.
MĀORI NAME: paewhenua (Best 1908) paenehua, rungarunga (Neil, Opotiki)
MEDICINAL: Children applied sap to abrasions (Best 1906)
Green leaves used on boils. Renewed from time to time (S. Neil, Opotiki, 1941).
Moist inner shoot of dock used on cracked lips. Juice of leaves used on abrasions, wounds, cuts, pierced ears etc. but best used as a poultice to draw poison from festered sores and boils (Adams 1945).
A decoction of dock roots said to clear the bloodstream of impurities. Helpful for varicose veins (Collier 1959).

See Riley 1994 for information on medicinal uses of related plants elsewhere in the world.