roseroot

[ rohz-root, -roo t ]
/ ˈroʊzˌrut, -ˌrʊt /

noun

any of certain perennial mountain plants, as Sedum rosea, Sedum rhodiola, or Rhodiola rosea, so called because the roots smell like roses.

British Dictionary definitions for rose-root

rose-root

noun

a Eurasian crassulaceous mountain plant, Sedum rosea, with fleshy pink-tipped leaves, a thick fleshy pinkish underground stem, and a cluster of yellow flowers Also called: midsummer-men