Japanese Rose

Image: Wikimedia Commons (See link for license)

Japanese Rose🌸

Rosa multiflora

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バラ科WoodyDeciduousSummerWhite flowersThorny

A wild rose native to the mountains and fields of Japan. Produces clusters of small white 5-petaled flowers in early summer, followed by small red rose hips in autumn. Branches bear thorns. Also widely used as rootstock for grafted roses.

Identification Points

  • Numerous white 5-petaled flowers bloom in clusters
  • Branches bear thorns
  • Small red globular hips (false fruits) form in autumn
  • Leaves are odd-pinnately compound

Habitat

Mountains, forest edges, riverbanks, roadsides

Season

May to June (flowers)

3D Specimen Model

Kyushu University, Shikano Lab (CC0)

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Morphological TraitsAI-estimated, needs verification

Leaf arrangement

Alternate

Leaf type

Compound

Venation

Pinnate

Leaf margin

Serrate

Leaf shape

Ovate

Growth form

Tree

Evergreen/Deciduous

Deciduous

Petal count

5 petals

Petal fusion

Free

Flower color

White

Flowering season

Summer

Flower symmetry

Actinomorphic

Plant sex

Hermaphrodite

Stamen count

3-4

Phylogenetic Positionバラ科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Rosales > Rosaceae

Divergence Era

Late Cretaceous (approx. 90 million years ago onward)

View バラ科 page🌿 View in taxonomy
📚新・薔薇大図鑑2200(山と渓谷社)📚樹木図鑑(ナツメ社)

Sources & References

📖Wikipedia 日本語版
🤖Claude AI生成(未確認)内容の正確性は未確認。YList・Wikipedia等での点検が必要。

AI-generated, needs verification