''Symphytum asperum'' is a

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

of the genus ''

Symphytum ''Symphytum'' is a genus of flowering plants in the borage family, Boraginaceae, known by the common name comfrey (pronounced ). There are 59 recognized species.WFO (2022): Symphytum L. Published on the Internet; http://www.worldfloraonline.org ...

'' 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 An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived the ...

and sometimes a weed.

References

External links

Jepson Manual Treatment

University of California, Berkeley Photo Gallery
asperum Taxa named by Ivan Lepyokhin {{Asterid-stub