Ulmus × hollandica 'Wentworthii Pendula'
Elm cultivar / From Wikipedia, the free encyclopedia
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Ulmus × hollandica 'Wentworthii Pendula' (in continental Europe also spelled 'Wendworthii Pendula'), commonly known as the Wentworth Elm or Wentworth Weeping Elm, is a cultivar with a distinctive weeping habit that appears to have been introduced to cultivation towards the end of the 19th century. The tree is not mentioned in either Elwes and Henry's[1] or Bean's[2] classic works on British trees. The earliest known references are Dutch and German, the first by de Vos in Handboek tot de praktische kennis der voornaamste boomen (1890).[3] At about the same time, the tree was offered for sale by the Späth nursery of Berlin as Ulmus Wentworthi pendula Hort.[4][5][6] (see Etymology). The 'Hort.' in Späth's 1890 catalogue, without his customary label "new", confirms that the tree was by then in nurseries as a horticultural elm.[note 1] De Vos, writing in 1889, states that the Supplement to Volume 1 includes entries announced since the main volume in 1887, putting the date of introduction between 1887 and 1889.
Ulmus × hollandica 'Wentworthii Pendula' | |
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Hybrid parentage | U. glabra × U. minor |
Cultivar | 'Wentworthii Pendula' |
Origin | Unknown |
De Vos suggested that the tree was a form of Ulmus × hollandica,[7] a view accepted in the Ulmus names lists of Royal Botanic Gardens, Kew and Royal Botanic Garden Edinburgh. At Kew, the cultivar was labelled Ulmus × hollandica 'Wentworthii'.[8] Melville dismissed the Kew specimen as Ulmus × hollandica 'Vegeta'[7] (the lower branches of open-grown Huntingdon elms can also be pendulous[9]), though Wentworth Elm differs strikingly in form, leaf and bark from Huntingdon. Richens and Rackham noted that examples of pendulous Ulmus × hollandica occur in the East Anglian hybridization zone.[10][11]
At RBGE, Wentworth Elm (RBGE ref. no. 32931) was identified as a hybrid of the Huntingdon Elm and Plot's Elm. A Wageningen Arboretum herbarium leaf-specimen that appears identical to 'Wentworthii' (see 'External links') was labelled U. × hollandica 'Pendula'.