| Ulmus laevis var. celtidea | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Rosales |
| Family: | Ulmaceae |
| Genus: | Ulmus |
| Species: | Ulmus laevis |
| Trinomial name | |
| Ulmus laevis var. celtidea Rogow. |
|
Ulmus laevis var. celtidea Rogow. was a putative variety of European White Elm first described as by Rogowicz [1], who found the tree in 1856 along the river Dnjepr [2] near Chernihiv in what is now northern Ukraine. The type specimen is at the National Herbarium of Ukraine.[3] The variety was first named as Ulmus pedunculata var. celtidea [2].
Similar trees were later found near Briansk in Oryol Oblast, but featured larger leaves [4].
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The leaves were oblong-lanceolate, but only about 25 millimetres (1 in) in length, long-acuminate at the apex, and coarsely, sharpely serrate, cuneate and sub-equal at the base. The samarae were also notably smaller than the species [5]
One specimen which grew at the Strona Arboretum, University of Life Sciences, Warsaw, Poland (as Ulmus celtidea Litv.) died circa 2006. The tree was grown from seed collected from a tree at the Arboretum of the Forest-Technical Academy in St. Petersburg in 1961; it is not known whether this source is still alive. No cultivars or hybrid cultivars are known.
