Acer oliverianum
Common name: 
Oliver Maple
AY-ser ol-i-ver-e-AH-num
Sapindaceae, Aceraceae
Native to (or naturalized in) Oregon: 
  • Broadleaf deciduous tree to 15-25 ft (~4.5-7.5 m) tall, shoots purplish green, upright spreading, more or less horizontal branches, appears similar to Acer palmatum, Japanese Maple.  Leaves opposite, simple, 6-10 cm across, base truncate or cordate, 5-lobed, palmate, rarely 3- or 4-lobed in young shoots, lobes ovate, middle lobe with 5-8 pairs of lateral veins, minor veins finely reticulate (net-like), margins finely serrate, glossy middle green above, lustrous and without hairs (glabrous) below; shades of yellow, orange and red in fall; petiole 2.5-6 cm long.  Flowers are whitish, 5 purplish sepals, 5 white petals and 8 stamen, longer than petals.  Fruit (samaras) glabrous, 2.5-3 cm long, spreading at a wide angle.
  • Shade to part sun
  • Hardy to USDA Zone (6)7      Native to China, found in forests, valleys; 1000-2000 m, in Anhui, Fujian, S. Gansu, Guizhou, S. Henan, W. Hubei, Hunan, Jiangxi, S. Shaanxi, Sichuan, C. and N. Taiwan, Yunnan, Zhejiang.
Click image to enlarge
  • plant habit

    plant habit

  • leaf


  • leaf, underside

    leaf, underside

  • trunk, bark

    trunk, bark