Coriaria Arborea vs Norse Yarrow

Shrub endemic to New Zealand considered highly toxic to livestock, but used by Maori in very dilute preparations for pain and as an analgesic — strictly medicinal use only.

Nordic variety of yarrow used by Vikings and Norse peoples as a wound herb, digestive bitter, and fever remedy.

tutin, hyenanchin, coriamyrtin, alkaloids

achillin, azulene, camphor, flavonoids

pain relief historically, paralysis agent, external wound treatment

wound staunching in Viking folk medicine, fever and cold remedy, digestive bitter

analgesic research

hemostatic, anti-inflammatory, bitter tonic

Extreme caution; toxic — no safe self-medication dose

2-4g dried herb as tea or 3-5ml tincture

all uses highly dangerous, pregnancy, children, self-medication absolutely contraindicated

pregnancy - emmenagogue, asteraceae allergy

convulsions, respiratory failure, death with small doses

contact dermatitis in sensitive individuals