Metrosideros robusta
New Zealand rata tree used in Maori medicine for sore throat, wounds, and diarrhea. Bark decoction as gargle and internal remedy. Related to pohutukawa. Contains tannins and triterpenoids. Culturally significant as native forest canopy tree.
Limited safety data.
Iron supplements (tannins).
Astringent taste. GI upset from tannins possible.
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