Yellow-green male and female catkins emerge with leaves.
Fall Color:
Yellow-brown
Foliage Characteristics:
Simple, alternate, elongated and slender leaves with entire margins. Light green and shiny above, dull and pale beneath.
Fruit Characteristics:
Small, round, brown acorns grow singularly or in pairs and have shallow caps. The overlapping scales which make up the cap are hairy and dark red. Introduced trees rarely produce acorns.
Structure:
Oval, round
Range:
C and E USA
Habitat:
floodplains commonly flooded in winter and spring, on ridges and high flats surrounded by swamp or major rivers
Description:
Willow oak is a popular shade tree in cities due to its ability to withstand adverse growing conditions. It has long, narrow, willow-like leaves.
This oak is listed as Threatened in Illinois, and Endangered in New York and Pennsylvania.
