roseroot

[rohz-root, -roo t]
noun
  1. any of certain perennial mountain plants, as Sedum rosea, Sedum rhodiola, or Rhodiola rosea, so called because the roots smell like roses.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for rose-root

rose-root

noun
  1. a Eurasian crassulaceous mountain plant, Sedum rosea, with fleshy pink-tipped leaves, a thick fleshy pinkish underground stem, and a cluster of yellow flowersAlso called: midsummer-men
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012