9/21/2023 0 Comments Symphytum tuberosum sterile![]() Natural Resources Conservation Service PLANTS Database. Comfrey is particularly contraindicated during pregnancy and lactation, in infants, and in people with liver, kidney, or vascular diseases. In 2001, the United States Food and Drug Administration issued a ban of comfrey products marketed for internal use, and a warning label for those intended for external use. In modern herbalism, comfrey is most commonly used topically. Pyrrolizidine alkaloids are responsible for comfreys production of hepatotoxicity.Liver toxicity is associated with consuming this plant or its extracts. The tradition in different cultures and languages suggest a common belief in its usefulness for mending bones.Ĭomfrey contains mixed phytochemicals in varying amounts, including allantoin, mucilage, saponins, tannins, pyrrolizidine alkaloids, inulin, and proteins, among others. Similarly, the common French name is consoude, meaning to weld together. ![]() ![]() Phytochemistry, folk medicine, and toxicityįolk medicine names for comfrey include knitbone, boneset, and the derivation of its Latin name Symphytum (from the Greek symphis, meaning growing together of bones, and phyton, a plant), referring to its ancient uses. Offsets can also be purchased by mail order from specialist nurseries in order to initially build up a stock of plants. The original plant will quickly recover, and each piece can be replanted with the growing points just below the soil surface, and will quickly grow into new plants. This removes the crown, which can then be split into pieces. The gardener can produce "offsets" from mature, strongly growing plants by driving a spade horizontally through the leaf clumps about 7 cm (2.8 in) below the soil surface. The Russian comfrey 'Bocking 14' cultivar was developed during the 1950s by Lawrence D Hills, the founder of the Henry Doubleday Research Association (the organic gardening organisation itself named after Henry Doubleday, who first introduced Russian comfrey into Britain in the nineteenth century) following trials at Bocking, Essex.īocking 14 is sterile, and therefore will not set seed (one of its advantages over other cultivars as it will not spread out of control), thus is propagated from root cuttings. peregrinum) – Russian comfrey, healing herb, blackwort, bruisewort, wallwort, gum plant Symphytum ibericum – creeping comfrey, Iberian comfrey Symphytum brachycalyx - Palestine comfrey Symphytum asperum – prickly comfrey, rough comfrey They are not to be confused with Andersonglossum virginianum, known as wild comfrey, another member of the borage family. × uplandicum, are used in gardening and herbal medicine. Some species and hybrids, particularly S. There are up to 35 species, known by the common name comfrey (pronounced /ˈkʌmfri/). Symphytum is a genus of flowering plants in the borage family, Boraginaceae. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. Symphytum in Index Nominum Genericorum (Plantarum). The Board of Trustees of the Royal Botanic Gardens, Kew. Symphytum in Kew Science Plants of the World online. (Boraginaceae) with special emphasis on Turkish species. Edinburgh University Press, Edinburgh, 825 pp., ISBN 0-85224-336-7. (ed.), Flora of Turkey and the East Aegean Islands. Cambridge University Press, Cambridge (UK), xxix + 370 pp., ISBN 9-X. xxiv + 752 pp., Academia Scientiarum URSS, Mosqua, Leningrad. (eds.), Flora URSS (Flora Unionis Rerumpublicarum Sovieticarum Socaialisticarum) XIX. Journal of the Linnean Society of London, Botany 41: 491–556. A Revision of the Genus Symphytum, Tourn.
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