Symphytum asperum
Encyclopedia
Symphytum asperum is a flowering plant
of the genus Symphytum
in the family Boraginaceae
. Common names include rough comfrey and prickly comfrey. It is native to Asia and it is known in Europe and North America as an introduced species
and sometimes a weed
.
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...
of the genus Symphytum
Symphytum
Symphytum is a genus in the Boraginaceae family. Its species are known by the common name comfrey. Some species and hybrids, particularly S. officinale and S. × uplandicum, are used in gardening and herbal medicine.Species include:...
in the family Boraginaceae
Boraginaceae
Boraginaceae, the Borage or Forget-me-not family, include a variety of shrubs, trees, and herbs, totaling about 2,000 species in 146 genera found worldwide.A number of familiar plants belong to this family....
. Common names include rough comfrey and prickly comfrey. It is native to Asia and it is known in Europe and North America as an introduced species
Introduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...
and sometimes a weed
Weed
A weed in a general sense is a plant that is considered by the user of the term to be a nuisance, and normally applied to unwanted plants in human-controlled settings, especially farm fields and gardens, but also lawns, parks, woods, and other areas. More specifically, the term is often used to...
.