Teasel-closeup of the seed head of a teasle plant, Dipsacus fullonum, wonderfully spiky and loved by birds

Dipsacus is a genus of flowering plant in the family Caprifoliaceae. The members of this genus are known as teasel, teazel or teazle. The genus includes about 15 species of tall herbaceous biennial plants growing to 1–2.5 metres tall. Dipsacus species are native to Europe, Asia and northern Africa.