Acer japonicum 'Aconitifolium'
Common name: 
Fernleaf Fullmoon Maple
A-ser ja-PON-i-kum
A. j. f. aconitifolium
A. j. 'Maiku jaku'
Native to (or naturalized in) Oregon: 
  • Broadleaf deciduous tree, 8-10 ft (2.4-3 m), rounded, bushy habit, but a strong structure.  Leaves simple, opposite, roundish, 7.5-15 cm across, 9-11 lobes separated by deep cuts, to within 6-12 mm the end of petiole, each lobe being again divided and sharply toothed.  Crimson fall color.  Fruit about 2.5 cm long with wings ranging from horizontal (180o) to an obtuse angle (between 180o and 90o).
  • Sun to part shade.  Culture similar to that of Acer palmatum.
  • Hardy to USDA Zone 5      The species is native to Japan; it is less common in gardens than several cultivars, ‘Aconitifolium’ is the most widely grown it was honored with Royal Horticultural Society Award of Garden Merit in 1984.
  • Aconitifolium: the leaves have an appearance similar to the fern-like leaves of the genus Aconitum (Monkshood); pronounced: ak-ko-ny-ti-FO-lee-um or a-kon-ee-ti-FO-lee-um.
  • Oregon State Univ. campus: east side of Ag. & Life Sciences "fountain", i.e., under bridge to Cordley.
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  • flowers and expanding leaves

    flowers and expanding leaves

  • plant habit, tree

    plant habit, tree

  • plant habit, shrub/tree

    plant habit, shrub/tree

  • leaves and fruit

    leaves and fruit

  • leaf and fruit

    leaf and fruit

  • plant habit, fall

    plant habit, fall

  • foliage, fall

    foliage, fall

  • leaves, fall

    leaves, fall

  • plant habit, large tree, fall

    plant habit, large tree, fall

  • leaves, fall

    leaves, fall

  • trunk, bark

    trunk, bark

  • winter buds

    winter buds