Symphytum
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Symphytum is a genus of flowering plants in the borage family, Boraginaceae, known by the common name comfrey.
Symphytum caucasicum Curtis
Russian comfrey (Symphytum × uplandicum)
Flowers of Russian comfrey
Andersonglossum virginianum
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Andersonglossum virginianum, known as southern wild comfrey, is a flowering plant in the borage family native to North America. It is also sometimes called blue houndstongue.
Symphytum
…officinale, Symphytum grandiflorum, and S. × uplandicum, are used in gardening and herbal medicine. Species in the genus Symphytum are different from Andersonglossum virginianum, known as wild comfrey, which is another member of the borage family. 27 species are accepted…
Cynoglossum virginianum Wild Comfrey