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A delphinium (Delphinium staphisagria) of southern Europe, having purple or blue flowers.

The poisonous seeds of this plant, formerly used medicinally especially to kill external parasites such as lice.

A species of larkspur, Delphinium Staphisagria, native in southern Europe and Asia Minor.

A kind of larkspur (Delphinium Staphysagria), and its seeds, which are violently purgative and emetic. They are used as a parasiticide, and in the East for poisoning fish.

A highly toxic, perennial plant with purple flowers, Delphinium staphisagria.