Valeriana pyrenaica

Valeriana pyrenaica, the capon's tail grass or Pyrenean valerian, is a species of flowering plant in the family Caprifoliaceae. It is native to Spain and France, and is a garden escapee in Ireland and Great Britain. A perennial herbaceous plant reaching 1.2 m, it grows in the Pyrenees and Cantabrian Mountains, typically near water.