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Ulmus minor 'Hunnybunii'
'Hunnybunii' leaves, by E. W. Hunnybun, from The Cambridge British Flora (1914)
Species	Ulmus minor
Cultivar	'Hunnybunii'
Origin	England

The Field Elm cultivar Ulmus minor 'Hunnybunii' was originally identified as U. nitens var. Hunnybunii Moss by Moss in The Cambridge British Flora (1914). 'Hunnybunii' was reputed to have been commonly planted in the parklands and hedgerows of Essex, Cambridgeshire, and Huntingdonshire before the advent of Dutch elm disease. Melville considered the tree a hybrid of 'Coritana'.

The tree was named for C. E. Moss's collaborator, the botanical artist E. W. Hunnybun.

Description

Moss described 'Hunnybunii' as a taller tree than 'Sowerbyi', with the lower branches spreading at right angles, the upper less tortuous; leaves even more asymmetrical at the base, more acuminate at the apex. Samara and leaf drawings by E. W. Hunnybun appear in The Cambridge British Flora (1914).

• Flowers and fruit of 'Hunnybunii', by E. W. Hunnybun (1914)

Pests and diseases

Though susceptible to Dutch Elm Disease, field elms produce suckers and usually survive in this form in their area of origin.

Cultivation

Moss in The Cambridge British Flora (1914) described 'Hunnybunii' as "often planted, as in the grounds of St. John's College, Cambridge". Late 19th and early 20th century photographs of the St John's New Building lawn show elms matching the 'Hunnybunii' description. Herbarium specimens from The Hague and Wageningen suggest that the tree was cultivated in The Netherlands in the mid-20th century, possibly as part of the elm collection assembled there the 1930s for DED-testing by Christine Buisman, on behalf of the Dutch Elm Committee. No mature specimens are known to survive. Three surviving elms (2021), however, beside Dean Road, Bartlow, near the Cambridgeshire-Essex border, resemble var. 'Hunnybunii' in form. Their leaves appear close to the 1962 Wageningen specimen WAG.1852692 of U. carpinifolia 'Hunnybunnii'. Moss regarded the elm as a variety not a clone, allowing for some variability in leaf-shape.

• Elms matching 'Hunnybunii' description, St John's College, Cambridge (1910)
• Dean Road elms, Bartlow, Cambridgeshire (2006)

Varieties

• 'Hunnybunii pseudo-Stricta'

References

1. kiki.huh.harvard.edu
2. ^ Moss, C. E.; Hunnybun, E. W. (1914). The Cambridge British Flora. Vol. 2 Text. p. 90. Retrieved 13 December 2017.
3. ^ Lynch, R I. (1915). Trees of the Cambridge Botanic Garden, in Journal of the Royal Horticultural Society (Ed.: Chittenden), Vol. 41, part 1, p. 17, 1915.
4. Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8): 41–80. Retrieved 16 February 2017.
5. Melville, Ronald (1949). "The Coritanian Elm". Journal of the Linnean Society of London, Botany. 53 (352): 263–271. doi:10.1111/j.1095-8339.1949.tb00418.x.
6. Edward Walter Hunnybun
7. Moss, C. E.; Hunnybun, E. W. (1914). The Cambridge British Flora. Vol. 2 Plates. p. 191 (plate 90). Retrieved 13 December 2017.
8. Moss, C. E.; Hunnybun, E. W. (1914). The Cambridge British Flora. Vol. 2 Plates. p. 193 (plate 91). Retrieved 13 December 2017.
9. "Herbarium specimen - WAG.1852755". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. foliacea Gilibert var. hunnybunnii; leaves specimen, Cambridge; "Herbarium specimen - L.1587295". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. foliacea hunnybunnii; leaves specimen, Cambridge (Den Haag 1931); "Herbarium specimen - L.1582081". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. nitens Hunnybunnii; twigs specimen, Cambridge (Den Haag 1931); "Herbarium specimen - L.4214757". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. nitens var. Hunnybunnyi; samarae specimen, Cambridge, 1938; "Herbarium specimen - WAG.1852690". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. carpinifolia 'Hunnybunnii'; Wageningen specimen, 1962; "Herbarium specimen - WAG.1852691". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. carpinifolia 'Hunnybunnii'; Wageningen specimen, 1962
10. Photograph of elms, St John's New Building lawn, oldstratforduponavon.com/sitebuilder/images/cambridgestjohns2-620x413.jpg
11. francisfrith.com 26441, St John's College, Cambridge c.1890
12. ^ Photo of elm on St John's New Building lawn, 101 Views of Cambridge (Rock Bros. Publishing, London, 1900)
13. 'Elms of the Essex / Cambridgeshire border'; resistantelms.co.uk/galleries
14. 'Hunnybunii'-like elms, Dean Road, Bartlow, near Cambridgeshire-Essex border - Google Maps, August 2008, access date: February 11, 2022
15. 'Hunnybunii'-like elms, Bartlow, from A1307, near Cambridgeshire-Essex border - Google Maps, October 2021, access date: February 11, 2022
16. bioportal.naturalis.nl, specimen WAG.1852692, U. carpinifolia 'Hunnybunnii'; Wageningen specimen, 1962

• Field elm cultivar
• Ulmus