Quercus hypoleucoides
Common name: 
Silverleaf Oak
Whiteleaf Oak
kwer-KUS hi-po-loo-KOI-des
Native to (or naturalized in) Oregon: 
  • ­Broadleaf, semi-evergreen tree, 20-33(65) ft [6-10(20) m] tall, or a shrub 6.5-10 ft [2-3 m] tall.  Leaves alternate, simple, leathery, narrowly oblong to lanceolate, about 5-10 cm long and 1.2.5 cm wide, shiny  yellow-green upper surface, white, silvery to creamy-cottony below, apex pointed, margin revolute (turned under), sometimes having ridged teeth; petiole 5-15 mm.  Acorns light chestnut color, about 1 × 0.8 cm, conic-oblong, capsule covers 1/3 of the nut.

  • Sun, drought resistant
  • Hardy to USDA Zone 7    Native to the mountains of southern Arizona and New Mexico, part of western Texas, and northern Mexico  Usually found as a shrub, but given enough moisture it can become a medium-sized tree with a spreading round crown.
  • hypoleucoideshypo, beneath, below; leuc, white; oides, similar, like; lower leaf surface whitish
  • Oregon State Univ. campus: behind Shepard Hall
Click image to enlarge
  • plant habit, summer

    plant habit, summer

  • foliage


  • leaves


  • leaves, underside

    leaves, underside

  • developing acorns, early summer

    developing acorns, early summer

  • trunk and branches, bark

    trunk and branches, bark