Ulmus americana L.

American Elm

Large, widespreading tree to 30 m tall with branches drooping at the tips. Leaves in 2 rows, widest at or near the middle, sometimes slightly rough above, soft-hairy below; vein pairs more than 14; base with one lobe often joining the stalk much higher than the other; colouring yellow in autumn. Flowers hanging on long stalks. Fruit long-stalked, deeply notched, hairy on the edges.

North America

Although listed in old nursery catalogues, specimens are not recorded in cultivation except in Canberra and in special collections.

Lobing on the leaves is often extremely unequal; fruits hairy-edged.

VIC: Melbourne (Royal Botanic Gardens Victoria (Melbourne Gardens), obtained from Yarralumla Nursery in Canberra, Eastern Lawn, 1.5 m tall in 1985); Ballarat (Ballarat Botanical Gardens); Malmsbury (Malmsbury Botanic Gardens). ACT: Canberra (Northbourne Ave and Dunrossil Drive, back of the former Canadian High Commission, a stand of 12 trees; Telopea Park, 1 mature tree); Griffith (Grant Crt); Northbourne Ave (between Sydney and Melbourne buildings).

U. laevis Pall., which is only grown in special collections, is similar, with leaves having uneven lobes but they are widest above the middle and densely soft-hairy on the lower surface.

Source: Spencer, R.; Hawker, J.; Lumley, P. (1997). Ulmus. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Rosales
family       Ulmaceae
genus        Ulmus L.