Ngā Rauropi Whakaoranga

kōwhitiwhiti

poniu sometimes used, but  name for marsh cress, Rorippa palustris)

watercress

Used extensively in hangi to wrap food and as a vegetable. Leaves cooked and eaten (Best 1942)

Damp watercress tied in a cloth, applied to head for headaches. (T. Kora 1941)

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