Rhododendron dilatatum

Rhododendoron dilatatum

  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Rhododendron dilatatum
  • Flower name
    Rhododendron dilatatum
  • Scientific name
    Rhododendoron dilatatum
  • Alias三葉躑躅
  • Place of originthe Pacific side of Kinki from Kanto, Japan
  • Place of floweringGarden, Botanical Gardens, Low mountains
  • Flowering seasonMarch, April

What is Rhododendron dilatatum

Rhododendoron dilatatum or Mitsuba tsutsuji (scientific name: Rhododendoron dilatatum) is a deciduous broad-leaved shrub of the family native to Japan.
It grows naturally on the Pacific side of Kanto and Kinki.
It is characterized by three rhombus-shaped, broad-oval-shaped green leaves attached to the tips of branches in a ring.
The branches are thin and grow smoothly upward. It flowers before the leaves appear.
From mid-March to mid-April, it produces red-purple, peach and white flowers with a diameter of 3-4 cm.

Basic Data on Rhododendoron dilatatum

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Generic name: Rhododendron dilatatatum, Scientific name: Rhododendoron dilatatatum
Place of origin: Pacific side of Kanto to Kinki, Japan; environment: thickets,
Living type: deciduous broad-leaved shrub; height: 100-300 cm,
Leaf shape: rhomboid, broad-ovate; leaf color: green; petiole: 3-lobed; leaf margin: wavy at all margins
Flower diameter: 3 to 4 cm; color: reddish purple, peach, white; flowering period: mid-March to mid-April,number of stamens: 5.
Use: Garden trees, potted plants.


  • Eye
    Ericales
  • Family
    Ericaceae
  • Genus
    Rhododendron
  • Species
    R. dilatatum
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    Vase-shaped
  • Leaf type
    rhombic
  • Edge of the leaf
    All edges
  • Life typeDeciduous broad-leaved shrub
  • Flower colorsPink Orange White
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height100.0 ~ 300.0 cm
  • Diameter of flower3.0 ~ 4.0 cm

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