MEDICINAL: Corms contain anthocyanins, with antioxidant and anti-inflammatory properties.

MEDICINAL: A decoction of the bark and stems slightly alterative. Bark and some of wood scraped and shavings used for inhaling for head colds (as eucalyptus). Leaves applied to produce blisters as a counter-irritant. Sap from short lengths of stem blown onto wounds e.g. fetlock o...

MEDICINAL: A decoction of the bark and stems of the pikiarero and the root of the tātarahake (Coprosma acerosa) taken, `slightly alterative' (Colenso 1869a). Leaves used by the Māori as a blister or counter-irritant. Leaves used, like horopito, to wean a child from the breast. L

MEDICINAL: The stems are heated on embers and squeezed to obtain the juice which is used as a quick healer for cuts and sores