Hill's oak - Quercus ellipsoidalis

Hill’s oak is an uncommon tree species in Canada. However, in Ontario it occurs on sandy, open areas and disturbed sites west of Lake Superior and Lake Erie. Hill’s oak is very similar to pin oak and scarlet oak, distinguished by its conical, cupped acorns.

The Hill’s oak is a deciduous, medium-to-large sized tree, often distinguished by its habitat and range. Photo by Chris Earley.

Hill’s oak bark is shallowly furrowed, often with narrow vertical plates present. The inner bark is usually light yellow. Photo by Chris Earley.

Leaves 7-12 cm long, with lobes constricted towards the base. The Hill’s oak has deeply lobed, sharply pointed leaves with pale green undersides; they also become red in autumn. Photo by Chris Earley.

Ontario Tree Atlas map of non-planted Hill's Oak. 1995-1999.

Return to tree listing page [1]

References

Farrar, J.L.. 1995. Trees in Canada. Fitzhenry & Whiteside Ltd. Toronto. ON. 504 pp.  

Kershaw, L. 2001. Trees in Ontario: Including tall shrubs. Lone Pine Publishing. Edmonton. AB. 240 pp

Muma, W. 2011. Ontario Trees and Shrubs. [Online] Available: www.ontariotrees.com

OMNR, 2011. Ontario Ministry of Natural Resources: Ontario Tree Atlas. [Online] Available: http://www.mnr.gov.on.ca/en/Business/ClimateChange/2ColumnSubPage/267027.html

OMNR, 2008. Ontario’s Biodiversity: Species at Risk.