Symphytum asperum

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Symphytum asperum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Symphytum
S. asperum
Binomial name
Symphytum asperum

Symphytum asperum is a flowering plant of the genus Symphytum in the family Boraginaceae. Common names include rough comfrey[1] and prickly comfrey.[2] It is the tallest Symphytum species.[3] It is native to Asia, and it is known in Europe and North America as an introduced species and sometimes a weed. Symphytum × uplandicum, the naturally occurring hybrid with the common comfrey (Symphytum officinale), is the economically most important kind of comfrey.


  1. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. ^ USDA, NRCS (n.d.). "Symphytum asperum". The PLANTS Database ( Greensboro, North Carolina: National Plant Data Team. Retrieved 7 December 2015.
  3. ^ Hills, Lawrence D. (2011-10-20). Comfrey: Past, Present and Future. Faber & Faber. ISBN 978-0-571-28091-9.

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