Description: Annual herbaceous plant, erect stems, quadrangular, slightly branched in the upper part. Up to 120 cm high. The leaves are oppositely arranged, incised into lobes, irregularly serrated, oblong, and pointed at the apex. The flowers are bisexual, small and purple, funnel-shaped. They are collected in clustered inflorescences at the top of the stem. The fruit is  schizocarp.

Flowering time: April-October

Habitat: Dry and rocky soil, meadows and pastures, along the edges of the road

Interesting fact: Melliferous plant with a very long flowering period.