Rights: Jocelyn Winwood, Taurangawww.flickr.com/photos/Mary_faith/6940369327/ Published 4 September 2012 Size: 100 KB

Karaka berries (Corynocarpus laevigatus) were a traditional Māori food. They had to be meticulously prepared to rid them of their toxin, karakin, or victims suffered violent convulsions and severe muscle spasms that could leave limbs permanently disfigured and often ended in death.