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 ''Ulmus × hollandica'' 'Gaujardii', one of a number of cultivars arising from the crossing of Wych Elm ''U. glabra'' with

Field Elm ''Ulmus minor'' Mill., the field elm, is by far the most polymorphic of the European species, although its taxonomy remains a matter of contention. Its natural range is predominantly south European, extending to Asia Minor and Iran; its northern ...

''U. minor'', was raised by the Gaujard-Rome nursery of Châteauroux, France, in the 1890s as ''Ulmus Gaujardii'' and was described in the 1898 ''Kew Bulletin'' and ''Wiener illustrirte Garten-Zeitung''. It won first prize in the International Horticultural Exhibition in Saint Petersburg, Russia, in 1899 and a silver medal in the Heemstede Exhibition, The Netherlands, in 1925. From the early 20th century it was distributed by the

Späth nursery The Späth (often spelt ''Spaeth'') family created one of the world's most notable plant nurseries of the 19th and early 20th centuries. The nursery had been founded in 1720 by Christoph Späth but removed to the erstwhile district of Baumschulen ...

of Berlin as ''Ulmus montana Gaujardi'', and in the interwar years by the Boccard nursery of Geneva as ''Ulmus campestris Gaujardi''. It appeared in ''Unsere Freiland-Laubgehölze'' in 1913, but without description.

Description

A tree of symmetrical upright growth and of great vigour, with the appearance of an arrow. The foliage was of medium size, oval and light green. Four photographs of 'Gaujardii' appear in ''Pépinières Gaujard-Rome et Cie'' (1930), where the nursery distinguished between medium- and large-leaved forms. Herbarium specimens suggest that more than one clone has been labelled 'Gaujardii'.

Pests and diseases

Elms of the ''U.'' × ''hollandica'' group are susceptible to Dutch elm disease.

Cultivation

'Gaujardii' was produced at a rate of 30,000 trees per annum by 1930, though no specimens are known to survive. There was a specimen at

Arnold Arboretum The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in N ...

, Massachusetts, in the mid-20th century.

Putative specimen

An old ''U.'' × ''hollandica'' with leaves (unusually for this group) light green all summer and matching the 'Gaujardii' herbarium specimen in The Hague, Sheet labelled ''U.'' × ''hollandica'' 'Gaujardii', The Hague (1932) stands (2019) by 35 Inverleith Terrace, Edinburgh, near the entrance to Royal Botanic Garden.Google Maps
Inverleith Terrace - Google Maps (May 2018)
accessdate: August 13, 2019 An early 20th century photograph shows it fastigiate when young.
/ref> Its leaf-shape, samarae, and light

suckering Basal shoots, root sprouts, adventitious shoots, and suckers are words for various kinds of shoots that grow from adventitious buds on the base of a tree or shrub, or from adventitious buds on its roots. Shoots that grow from buds on the base o ...

confirm its hybridity. File:Possible Ulmus glabra 'Lutescens'. Inverleith Terrace, Edinburgh.jpg, Inverleith Terrace elm, Edinburgh (2016)

References

{{DEFAULTSORT:Ulmus x hollandica 'Gaujardii' Dutch elm cultivar Ulmus articles with images Ulmus Missing elm cultivars