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The Wych Elm cultivar Ulmus glabra 'Corylifolia Purpurea' was raised from seed of 'Purpurea' and described as U. campestris corylifolia purpurea by Pynaert in 1879. An U. campestris corylifolia purpurea was distributed by the Späth nursery of Berlin in the late 19th and early 20th centuries. The Hesse Nursery of Weener, Germany, corrected the U. campestris corylifolia purpurea of their 1930s' lists to U. glabra Huds. corylifolia purpurea by the 1950s. Green listed 'Corylifolia Purpurea' as a form of U. glabra.

Description

According to Pynaert, 'Corylifolia Purpurea' had large purplish leaves resembling those of Hazel, with the purple colour persisting into autumn on outer branchlets.

Pests and diseases

See under Ulmus glabra.

Cultivation

No specimens are known to survive. One tree obtained from the Späth nursery in Berlin was planted in 1893 at the Dominion Arboretum, Ottawa, Canada. Introduced to the USA, U. campestris var. corylifolia purpurea, "Purple filbert-leaved elm", was marketed by the Ellwanger & Barry and Perry nurseries of Rochester, N.Y., from the late 19th century, and by Klehms' of Arlington Heights, Illinois, in the early 20th. Three specimens were supplied by Späth to the Royal Botanic Garden Edinburgh in 1902 as U. campestris 'Corylifolia purpurea', and may survive in Edinburgh as it was the practice of the Garden to distribute trees about the city (viz. the Wentworth Elm). A specimen obtained from Späth stood in the Ryston Hall arboretum, Norfolk, in the early 20th century.

U. glabra occasionally produces purple-flushed new leaves. An elm in the gardens of the Hedvig Eleonora Church, Östermalm, Stockholm, incorrectly listed as U. procera 'Purpurea', appears in form, fruit and foliage to be a wych elm with a purple new leaves (possibly the cultivar 'Atropurprea'). A similarly misnamed 'Purple English Elm' remains in cultivation in Estonia.

• Purple-flushing wych leaves, Edinburgh
• 

Synonymy

• Ulmus scabra purpurea corylifolia: Dieck (Zöschen, Germany), Haupt-catalog der Obst- und gehölzbaumschulen des ritterguts Zöschen bei Merseburg 1885, p. 82.

References

1. ^ Bulletins d'arboriculture, de culture potagère et de floriculture 57, 1879
2. Katalog (PDF). Vol. 108. Berlin, Germany: L. Späth Baumschulenweg. 1902–1903. pp. 132–133.
3. Hesse, Hermann Albert (1932). Preis- und Sortenliste. pp. 96–97. Retrieved 18 January 2018.
4. Hesse, Hermann A., Hauptkatalog 1956/57 (Weener, Ems, 1956); p.141-142
5. Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
6. "Herbarium specimen - WAG.1847118". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled Ulmus glabra Huds. var. corylifolia purpurea
7. Saunders, William; Macoun, William Tyrrell (1899). Catalogue of the trees and shrubs in the arboretum and botanic gardens at the central experimental farm (2 ed.). pp. 74–75.
8. Ellwanger & Barry (Mount Hope nurseries), Rochester, N.Y., 1898, p.62
9. Illustrated and descriptive catalogue of fruit and ornamental trees, Perry Nursery Co., Rochester, N.Y., 1912, p.90
10. Klehms' Nurseries, Arlington Heights, Illinois, Price list 1923, p.5
11. Accessions book. Royal Botanic Garden Edinburgh. 1902. pp. 45, 47.
12. rystonhall.co.uk/
13. Ryston Hall Arboretum catalogue. c. 1920. pp. 13–14.
14. Ulmus glabra Huds. f. purpurea, bioportal.naturalis.nl, specimen WAG.1847115
15. Ulmus glabra Huds. f. purpurea, bioportal.naturalis.nl, specimen WAG.1847117
16. www.tradgardsakademin.se
17. 'Purple English Elm', Estonia: jarvselja.ee/pood/lehtpuud/ulmus-procera-inglise-jalakas-purpurea

• Wych elm cultivar
• Ulmus