Acer triflorum

Three-flower Maple




  • native to Manchuria and Korea
  • zone 5; likely hardy in zone 4, as well

Habit and Form

  • small shade tree
  • deciduous
  • a slow growing plant
  • rounded crown, densely branched
  • 20' to 30' tall, to 45' in the wild
  • fine to medium texture
  • similar to A. griseum or A. nikoense in habit and form

Summer Foliage

  • opposite, trifoliolate leaves, with leaflets 2" to 3" long and 1" wide
  • dark green color

Autumn Foliage

  • late October
  • overall orange in effect, with reds and orange-reds present


  • greenish-yellow, inconspicuous
  • in clusters of three (hence, common name)


  • samara, 1" to 1.25" long, set in pairs joined at a wide angle
  • nutlet fat, pubescent


  • ash-brown
  • exfoliates in long, vertical strips
  • very ornamental


  • relatively pest free
  • prefers acid, moist, well-drained soil

Landscape Uses

  • specimen or focal point
  • a rare plant which makes a good point of interest


  • not easy to find in cultivation

ID Features

  • trifoliolate leaves, somewhat fuzzy and thicker than Acer cissifolium
  • exfoliating gray bark; not red (like A. griseum) or smooth (like A. nikoense or A. cissifolium)
  • flowers after A. nikoense and before A. griseum
  • fruit fuzzier than that of A. griseum


  • by seed, but very low germination rate (similar to Acer griseum)
  • can be grafted onto other trifoliolate maples


  • none

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database,, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.