Pentaglottis

Species of flowering plant in the borage family Boraginaceae
green alkanet
an accepted genus described by Fisch. & Trautv. Speciesbox
| name = Green alkanet
| image = Overblijvende ossentong Pentaglottis sempervirens closeup. jpg
| genus = Pentaglottis
| parent authority = Tausch
| species = sempervirens
| authority = (L.) Tausch ex L. H. Bailey
|synonyms ref = or evergreen bugloss, and it is one of several related plants known as alkanet. It is a bristly, perennial plant native to southwestern Europe, in northwest Iberia and France.

The native range of this genus is south western Europe. It is endemic to France, Portugal and Spain. It was introduced into the countries (and regions) of Australia (with the state of Tasmania) Belgium, Canada (within the province of British Columbia), Czechoslovakia, Great Britain, Ireland, Italy and the United States (within the states of California, Maine, Oregon and Washington). Green alkanet is an introduced species in the British Isles.

The blue flowers of the green alkanet are edible, and are often used as a garnish for salads or drinks. Historically, the roots were a source of red dye. Alkanet roots are also edible when cooked. Although toxic if consumed in large quantities, the leaves have medicinal properties and were recommended for the treatment of coughs, digestive problems and fevers by Nicholas Culpeper. The leaves are also an effective remedy for burns and ulcers when crushed and combined with vinegar and rose water. In modern times the leaves and stems have been used by doctors to treat staphylococcus.