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Noun: tuber root  t(y)oo-bu(r) root
  1. Erect perennial of eastern and southern United States having showy orange flowers
    - butterfly weed, orange milkweed, chigger flower, chiggerflower, pleurisy root, Indian paintbrush, Asclepias tuberosa

Derived forms: tuber roots

Type of: milkweed, silkweed

Encyclopedia: Tuber root