![]() Common name or comfrey comes from the Latin words " con" and " firma" meaning "with strength" in reference to its reputation for healing wounds and broken bones. Specific epithet means rough in reference to plant texture. Genus name comes from the Greek words symphyo meaning to grow together and phyton for plant as the plant was believed to help heal wounds. Plants are cultivated for silage (fodder) in Russia. It has naturalized in parts of southern Canada, the northern U.S. This plant is native from Russia (Caucasus) to Iran. Batakova) Main phenological phases of rough comfrey (Symphytum asperum Lepech.) during its introduction in the period of 2007-2019 (Kotlas. It is a very good perennial fodder herb for animals. It is high in protein (22) and has a high yield, up to 100-120 tons an acre. Buy Organic Bocking 4 Comfrey (Comphrey, Comfry) I sell Bocking 4 strain of Russian comfrey, Symphytum Peregrinum. asperum 2n 32 (12) and their interspecific hybrids 2n 40 (10) and 2n 36 (11) on silicagel thin layer plates on elution with hexane : ether 30 : 60. Symphytum peregrinum Symphytum asperum x officinale. The mature stems are not winged (leaf bases are not recurrent, as in Symphytum officinale ). Leaves are dark green, prickly hairy, ovate to elliptic, and up to 8 inches (20 cm) long. ![]() ![]() ![]() Small tubular flowers (each to 1/2" long) in scorpioid cymes open rose-pink in spring but mature to blue or purple. Rough comfrey (Symphytum asperum Lepech.) (photo by O. Symphytum officinale cytotypes 2 n 24 (1 through 6), 2 n 40 (7), 2 n 48 (8, 9), S. Symphytum asperum is a rhizomatous perennial that grows up to 4 feet (1.2 m) tall. Mature stems are not winged (leaf bases are not decurrent as is the case with Symphytum officinale. Ovate to elliptic leaves (to 2-8" long) are dark green and prickly hairy. Symphytum asperum, commonly called prickly comfrey or Persian comfrey, is a coarse, hairy, rhizomatous perennial that is typically grown in shaded wildflower areas or naturalized areas for its attractive foliage and spring flowers. Symphytum asperum, commonly called prickly comfrey or Persian comfrey, is a coarse, hairy, rhizomatous perennial that is typically grown in shaded wildflower. ![]()
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