Learn That Word

Synonyms for Greek Valerian (same or very similar meaning)

WordNet sense 1 (erect or spreading perennial of the eastern United States):
Polemonium reptans

WordNet sense 2 (pinnate-leaved European perennial having bright blue or white flowers):
charity, Jacob's ladder, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae


From the ODE community, based on WordNetadd/edit