Acer triflorum
Common name: 
Three Flowered Maple
Pronunciation: 
A-ser tri-FLOO-rum
Family: 
Aceraceae
Genus: 
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Deciduous tree, sometimes a shrub, may reach 20-30 ft (6-9 m) high in cultivation, similar spread, dense and rounded form.   Bark yellowish-brown, weakly exfoliating in patches.  Leaves opposite, compound [trifoliate, i.e., 3 leaflets], leaflets ovate-lanceolate, 5-7 cm long and 2.5 cm wide, tip acuminate, base wedge-shaped, that of basal leaflets uneven, margins have prominent hairs, dark green, becoming yellow, orange and/or scarlet in fall; petiole 5-7.5 cm long.  Flowers yellow, 3 per clusters (umbels), clusters at the terminals of short 2-leaved shoots.  Fruit (samaras) 4-5 cm long, wings spreading at an angle of about 120°, nutlets thick and hairy (somewhat similar to those of Acer griseum but more hairy).
  • Sun to partial shade.  Best in acid, moist, well-drained soil.  
  • Hardy to USDA Zone (4)5    Native to the hill of northern China and Korea, abundant but not forming forests (van Gelderen and van Gelderen, 1999).
  • triflorum: a reference to its 3 flowers per cluster.
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  • plant habit

    plant habit

  • plant habit

    plant habit

  • expanding leaf, spring

    expanding leaf, spring

  • leaves, spring

    leaves, spring

  • leaf, summer

    leaf, summer

  • plant habit, fall

    plant habit, fall

  • leaves, fall

    leaves, fall

  • leaves, fall

    leaves, fall

  • leaf, fall

    leaf, fall

  • fruit and leaf

    fruit and leaf

  • trunk, bark

    trunk, bark

  • trunk, bark

    trunk, bark

  • twig and buds, winter

    twig and buds, winter