Acer pycnanthum

Acer pycnanthum

  • Acer pycnanthum
  • Acer pycnanthum
  • Flower name
    Acer pycnanthum
  • Scientific name
    Acer pycnanthum
  • Aliasハナカエデ, はなのき, 花楓
  • Place of originJapan
  • Place of floweringGarden
  • Flowering seasonApril

What is Acer pycnanthum

Acer pycnanthum or Hananoki (scientific name: Acer pycnanthum) is an endemic species of Japan and is a cold-resistant deciduous broad-leaved trees of Aceracea maple. The bark of the adult tree is gray, the trunk stretches straightforwardly simply, the crown has an egg shape to a spindle shape. The base of the leaf is torn 3-5 tears and there are heavy serrated teeth on the leaf edge per pair. Leaves are large, the front side of the leaf changes from light green (embryonic stage) → dark green → yellow → crimson color (fall) → fallen leaf (winter). The back side of the leaf looks white with dense hair. It is a group of maple (Acer) beautiful autumn leaves. In April before the leaves opened, spread the inflorescences from the axilis and attach a plurality of small bright red flowers in a bundle to each other. Male flowers and female flowers each have five petal and calyx pieces. It is planted for park trees, garden trees and bonsai trees. It is similar to the American, American honey (America flower tree), but the American honey bean grows fast.

Name: Acer pycnanthum or Hananoki , scientific name: Acer pycnanthum, Place of origin: Japan, Environment: mountains, life type: cold resistant deciduous broad leaves Takagi, bark: gray (mature trees), height: 10 to 30 m, diameter: 1.5 m, dioecious strain, inflorescence: scattered inflorescences, Flower diameter: 0.5 cm, number of calyx of male flower: 5, asterann number: 5, anther color: black purple, number of petals: 4 to 5, leaf shape: 3 to 5 fissures with wide egg shape, leaf length: 8 cm, Leaf margin: heavy saw teeth, leaves: birth, leaf color color: large light green color (dusky period) → dark green → yellow → magenta → autumn leaves (winter), leaves: dense hair and white , Flowering period: April, number of petals: 5, flower color: red to deep red, viewing period: April (flower), April to June and October to November (best time to see the leaves), use: symbol tree, garden tree , Park trees, street trees, flower beds, potted plants.


  • Eye
    Sapindus
  • Family
    Aceraceae
  • Genus
    Acer
  • Species
    A. pycnanthum
  • Type of flower
  • Array of flower
    Corymbose inflorescence
  • Petal shape
  • Leaf type
    Palm shape
  • Edge of the leaf
    Heavy Serration
  • Life typeHardy deciduous broad-leaved tree
  • Flower colors
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height1000.0 ~ 3000.0 cm
  • Diameter of flower0.5 ~ 0.5 cm

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