Opopanax chironium, common name Hercules' all-heal, is a herb of the family Apiaceae.

Description

Opopanax chironium grows high. This perennial herb has a branching stem, thick and rough close to the base. Leaves are serrate, pinnate, with long petioles. It produces a large, flat, yellow inflorescence at the top of the branches.

Distribution and habitat

The plant thrives in warm climates like Iran, Italy, Greece and Turkey, but also grows in cooler climates.