Taxon

Quercus phellos

 
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Quercus phellos - Willow Oak, Peach Oak
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Common name: Willow Oak, Peach Oak
Family: Fagaceae (Beech)
Distribution: C and E USA
Habitat: floodplains commonly flooded in winter and spring, on ridges and high flats surrounded by swamp or major rivers
Hardiness: -20 - 30 F
Life form: Deciduous tree
Bloom characteristics: Yellow-green male and female catkins emerge with leaves.
Structure: Oval, round
Average height: 40-75'
Bark characteristics: Dark gray, furrowed bark.
Bloom Time: April
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.
Foliage characteristics: Simple, alternate, elongated and slender leaves with entire margins. Light green and shiny above, dull and pale beneath.
Fall color: Yellow-brown
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.
Comments: PE Tour Details
  • Deciduous tree reaching ~40-75ft tall

  • Narrow, willow-like leaves make up the oval canopy

  • Immature bark is smooth; mature bark becomes irregular and rough

  • Small yellow-green monoecious flowers arranged in male and female catkins

  • Tolerant of many unfavorable conditions; high temperatures, air pollution, etc.

View Nature’s Notebook species profile here
Links: Missouri Botanical Garden Plant Finder • US Forest Service Fact Sheet • USDA Natural Resources Conservation Service

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