Sainfoin ( Onobrychis viciifolia ) is a forage legume crop with resurgent popularity due to its anti-bloating and anthelmintic properties attributed to its relatively high content of condensed tannins. Although this property of sainfoin is desirable, sainfoin lags behind other popular forage crops in attributes, such as biomass yield, waterlogging tolerance, and stand persistence. Traditional breeding efforts to improve sainfo...