<unk>  is a genus of flowering plants in the borage family, Boraginaceae. There are up to 35 species, known by the common name comfrey (pronounced ). Some species and hybrids, particularly S. officinale,<unk>  grandiflorum, and S. × uplandicum, are used in gardening and herbal medicine. They are not to be confused with Andersonglossum virginianum, known as wild comfrey, another member of the borage family.
Symphytum
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Periorbita
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