单词 | russian comfrey |
释义 | > as lemmasRussian comfrey Russian comfrey n. a hairy perennial comfrey, Symphytum x uplandicum (also called S. peregrinum), which is a natural hybrid of S. officinale and S. asperum and is widely naturalized in western and northern Europe. ΚΠ 1881 T. Christy et al. Hydro-incubation (ed. 7) 58 I have also found that Russian Comfrey, chopped up fine, when they will not eat it in the whole leaf, also has a good effect, but not so rapidly. 1925 W. G. Smith in W. G. R. Paterson Farm Crops IV. 148 The Comfrey recommended as a crop plant is Prickly or Russian Comfrey. 2004 P. Whitefield Earth Care Man. iii. 50/1 Russian comfrey should always be used in preference to the native common comfrey as it's more productive and doesn't spread by seeding. < as lemmas |
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