茨城県[ibarakiken] Ibaraki prefecture (Kantou area)
茨の冠[ibaranokanmuri] a crown of thorns
茨の道[ibaranomichi] thorny path
茨垣[ibaragaki] thorn hedge

猿捕茨[sarutoriibara] Smilax china (species of sarsaparilla)
茨姫[ibarahime] Sleeping Beauty
野茨[noibara] multiflora rose (Rosa multiflora)