Quercus macrocarpa
(Bur Oak)

 
“   Bur Oak Acorn   ” by    Paul Cooper    is licensed under    CC BY 2.0

Bur Oak Acorn” by Paul Cooper is licensed under CC BY 2.0

A large tree usually 80′ with rounded crown.

Leaves: deciduous, simple, rounded lobes, alternate and thick and firm dark green and shiny on top, paler beneath.

Flowers: Spring, male catkins 4 to 6 inches in length, female at the base of the new leaves.

Fruit: Large acorn, 1″ long.

Twigs: brown, thick and stout, developing corky ridges down to the small branches.

Bark: Dark gray to brown, prominent parallel vertical ridges and deep furrows.

Comments: Long lived tree, wildlife, drought tolerant and prefers well-drained soils.

“   Bur Oak   ” by    Katja Schulz    is licensed under    CC BY 2.0

Bur Oak” by Katja Schulz is licensed under CC BY 2.0

“   Bur Oak   ” by    Mary PK Burns    is licensed under    CC BY 2.0

Bur Oak” by Mary PK Burns is licensed under CC BY 2.0