Tilia nasczokinii ( Nasczokin 's linden or Nasczokin 's lime ) is a rare species of shrubs or trees in the family Malvaceae . Plants of this species grows in Siberia , Russia . Tilia nasczokinii Stepanov , commonly known as Nasczokin 's Lime or Nasczokin 's Linden , is a rare deciduous tree or shrub native to Siberia in Russia .