The Siberian elm cultivar Ulmus pumila 'Ansaloni' was raised by the Ansaloni Nurseries , Bologna, c. 1933, from a tree introduced from the Far East in 1930.Ansaloni Nurseries, Bologna, Italy, 1935 Catalogue, p.23, (as Olmo Siberiano Ansaloni).
Description 'Ansaloni' is a quick-growing variety with a compact crown, holding its leaves well into autumn.
Pests and diseases See under Ulmus pumila.
Cultivation The tree was sold mostly to winegrowers in the Po valley,Nijboer, R. & Heybroek, H. (eds). (2013). Christine Johanna Buisman in Italy. 35 pages, (private publication) who were still using traditional Roman cultivation methods after the Second World War, but the advent of mechanization in the 1950s brought about the tree's decline, and it had been withdrawn from commerce by the 1970s. One specimen is known to remain in cultivation in North America (see Accessions).
Synonymy 'Siber-Ansaloni': Ansaloni Nurseries, Bologna, Italy, Catalogue, 1946–47, p. 28.
Accessions North America Arnold Arboretum, US. Acc. no. 636-61 (accession date: 2 May 1961) grown from seed in US collected from 'Ansaloni'.
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