The hybrid elm Ulmus davidiana var. japonica × U. minor was raised at the Arnold Arboretum before 1924.The Morton Arboretum Living Collection, Ulmus list, quercus.mortonarb.org
Description The old specimen in the Morton Arboretum, Illinois (2014), is an open-branched tree, more broad than tall, with ascending branches,U. carpinifolia x U. japonica summer, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.orgU. carpinifolia x U. japonica winter, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.org the bark breaking into shallow vertical plates.U. carpinifolia x U. japonica bark, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.org
Cultivation One specimen survives at the Morton Arboretum. The hybrid was cultivated at the Baarn elm research institute, The Netherlands, in the mid-20th century. Sheet labelled U. japonica × Ulmus carpinifolia; samara and new leaves; Baarn specimen (1962); Sheet labelled U. japonica × Ulmus carpinifolia; long and short shoots; Baarn specimen (1962); Sheet labelled U. japonica × Ulmus carpinifolia; flowers; Baarn specimen (1962); Sheet labelled U. japonica × Ulmus carpinifolia; Baarn specimen (1962) It is not known to have been introduced to Australasia.
Accessions North America Morton Arboretum, Illinois, US. Acc. no. 2351–24. Raised from seed of the tree at the Arnold Arboretum.
References