Rock elm, Cork elm
Ulmus thomasii
Family: Ulmaceae
What it is like
A medium sized tree. It grows to 25-30 m high. It spreads 12 m wide. The trunk is 75 cm across. It is an upright tree with a narrow rounded crown. The young branches have corky bark. The leaves are 5-10 cm long and 2-5 cm wide. They have teeth along the edge. The leaves are shiny dark green above and pale green with soft hairs underneath. The flowers are 3 mm wide and green. They occur in long drooping clusters. The fruit are 10-19 mm long and flat keys. They have one seed and wide wings. These are notched at the tip.
Where it is found
It often grows on heavy clay soils near limestone ridges. It grows between 60-760 m altitude. It suits hardiness zones 2-9.
Countries/locations it is found in
Australia, Canada, North America, USA
How it is used for food
Edible parts
Leaves
How it is grown
Trees live for 175 years.
Its other names
Local names
Synonyms
Ulmus racemosa Thomas;