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Quercus hypoleucoides

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Silverleaf oak trees are relatively rare in Portland. Heritage Trees 370 and 371 are believed to have been planted about 25 years ago from seedlings brought in from Southeast Arizona.

Silverleaf Oak

FAMILY: FAGACEAE

The leathery leaves with white undersides of a silverleaf oak.

About Silverleaf Oak at OSU's Landscape Plants site

  • Native to the mountains of southern Arizona and New Mexico, part of western Texas, and northern Mexico.

  • Broadleaf, semi-evergreen tree with leathery leaves that have distinctive silver-white undersides.

  • Usually found as a shrub, but can be trained into a tree form around 25 feet tall. A species 85 feet tall has been recorded.

  • Acorns about 1 × 0.8 cm, conic-oblong, capsule covers 1/3 of the nut.

  • Uncommon in Portland.

Tree #LocationDimensionsPhoto and Notes
370

2627 NE 11th Ave.

Right-of-way, Front

61' Height

46' Spread

6.85' Circ.

26.2" DBH

This is the north tree of the pair. It has a single trunk.

Heritage Tree 370 is the north tree of the pair of trees.
371

2627 NE 11th Ave.

Right-of-way, Front

57' Height

49' Spread

6.44' Circ.

24.6" DBH

Heritage Tree 371 is the south tree of the pair.