Dipsacus

The genus Dipsacus, commonly known as teasel, belongs to the honeysuckle family, Caprifoliaceae. These plants are native to Europe, the Mediterranean region, and tropical Africa. Teasels are often prickly, coarse biennials with leaves that form a rainwater-holding trough around the stem. Their flower heads are tall and domed, featuring numerous flowers surrounded by spiny bracts.1

A notable species is Fuller's teasel (Dipsacus sativus), historically used to raise the nap on woolen fabrics through a process called fulling. Common teasel (D. fullonum) is similar but is often considered a weed. The dried flower heads are also used in floral arrangements and attract birds, as the seeds are an important food source for them. The genus name Dipsacus comes from the Greek word for thirst, likely referring to the water-holding trough formed by the leaves.12