The

hybrid Hybrid may refer to: Science * Hybrid (biology), an offspring resulting from cross-breeding ** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species ** Hybridity, the property of a hybrid plant which is a union of two dif ...

elm

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...

''Ulmus × hollandica'' 'Dumont' was a very vigorous elm raised from a tree discovered by a gardener on the estate of M. Dumont at Tournay, Belgium, c. 1865.

Description

The tree had a straight trunk and a narrow regular, pyramidal crown,

Elwes Elwes () is an English surname whose spelling over the years has included Helwish, Helewise, Helwys, Elwaiss, Elwaies and Elway. It may refer to: * Columba Cary-Elwes (1903–1994), English Benedictine monk * Elwes baronets, 1660–1787 * Eva Elwes ...

likening it to Wheatley Elm in habit. The leaves were somewhat smaller than those of 'Belgica'.

Pests and diseases

'Dumont' was very susceptible to

Dutch elm disease Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America ...

Cultivation

No specimens are known to survive. The tree was once a popular choice for street planting in Belgium and France, notably at

Ypres Ypres ( , ; nl, Ieper ; vls, Yper; german: Ypern ) is a Belgian city and municipality in the province of West Flanders. Though the Dutch name is the official one, the city's French name is most commonly used in English. The municipality co ...

, where Henry collected a specimen for

Kew Gardens Kew Gardens is a botanical garden, botanic garden in southwest London that houses the "largest and most diverse botany, botanical and mycology, mycological collections in the world". Founded in 1840, from the exotic garden at Kew Park, its li ...

in 1912, and at

Versailles The Palace of Versailles ( ; french: Château de Versailles ) is a former royal residence built by King Louis XIV located in Versailles, about west of Paris, France. The palace is owned by the French Republic and since 1995 has been managed, u ...

(town, not palace), where it was supplied by Moser's nursery and planted in "peculiar clipped avenues". Early 20th-century photographs of the Place Barascude and Avenue Thiers, Versailles, show Wheatley-like elms, some clipped, and pruned avenues by Moser's nursery.Tramway de Saint Cyr au square Barascude, cparama.com
/ref> An ''U. campestris Dumont'', "a vigorous grower" with "large leaves", appeared in the 1909 catalogue of the Bobbink and Atkins nursery, Rutherford, New Jersey. The Hesse Nursery of Weener, Germany, marketed an ''Ulmus latifolia Dumont'' in the 1930s.

Synonymy

*''Ulmus campestris'' var. ''Dumontii'': Mottetbr>
in George Nicholson (botanist), Nicholsonbr>
& Mottet's ''Dictionnaire pratique d'horticulture et de jardinage'' 5: 383, 1898, and by Johann Gerd Krüssmann, Krüssmannbr>
in ''Handb, Laubgeh.'' 2: 537, 1962. *''Ulmus'' 'De Dumont': ''Plant Buyer's Guide,'' ed. 6. 286, 1958.

References

{{DEFAULTSORT:Ulmus x hollandica 'Dumont' Dutch elm cultivar Ulmus articles missing images Ulmus Missing elm cultivars