Peraxilla tetrapetala, commonly known as red mistletoe, is a parasitic plant in the family Loranthaceae, endemic to New Zealand and found on both the North and South Islands. The Māori names for the plant are pikirangi, pirirangi and roeroe. It is a shrub up to one metre tall with glabrous leaves. The flowers are 4–5 mm long, bright red to orange in colour which split open to the base.