Ulmus ‘Morton Stalwart’ = Commendation Tags: Cultivar (Cultivated Variety).Ulmus ‘Morton Stalwart’ (selling name Commendation™) is a Morton Arboretum hybrid cultivar arising from a controlled crossing of Accolade with the hybrid Ulmus pumila × U. minor (syn. carpinifolia) from eastern Russia. thumbnail hybrid Ulmus 'Morton' = Accolade Learn more... Loading...