Symphytum grandiflorum, the creeping comfrey, or running comfrey[2] is a species of flowering plant in the family Boraginaceae.[3] It is native to the Caucasus region, and introduced to various locales in Europe as a garden escapee.[1][4] A deer-tolerant perennial, it is hardy in USDA zones 5 through 8, and is recommended for borders and shady situations.[5] The unimproved species and a number of cultivars are commercially available. Also, it has been crossed with Russian comfrey (Symphytum × uplandicum) to produce the multi-cross hybrid Hidcote comfrey (Symphytum × hidcotense, named after the Hidcote Manor Garden)[6]), of which a range of ornamental cultivars are available.[7]
The official first formal scientific species description was published in 1846 by the Swiss botanist Alphonse Pyramus de Candolle (1806–1893). The specific epithet grandiflorum means "with large flowers".[8]
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