One of the most deadly plant toxins, abrin, is produced by rosary pea (Abrus precatorius). As little as of toxin per body weight will cause fatality in humans (a single seed). Birds appear to be unaffected by the deadly toxin.
What a beautiful flower from a bud that looks like an acorn! Correa backhouseana is a species of flowering plant in the family Rutaceae. It is a coastal shrub, endemic to southern Australia. It grows up to 2 metres in height.