Greek valerian

• n.
  • erect or spreading perennial of the eastern United States

    同义词： Polemonium reptans

  • pinnate-leaved European perennial having bright blue or white flowers

    同义词： Jacob's ladder charity Polemonium caeruleum Polemonium van-bruntiae Polymonium caeruleum van-bruntiae

以上来源于: WordNet