Japanese Witch Hazel

Image: Wikimedia Commons (See link for license)

Japanese Witch Hazel

Hamamelis japonica

マンサク

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マンサク科WoodyDeciduousShrubEarly springGarden tree

A deciduous shrub to small tree that is among the first to bloom in early spring with yellow flowers. The name derives from "manzu saku" meaning "the first to bloom." The petals are distinctively long and ribbon-shaped.

Identification Points

  • Four yellow ribbon-shaped (linear) petals, blooming in early spring
  • Leaves are slightly asymmetrical and rounded with wavy serrations
  • Fruit is a woody capsule that ejects seeds explosively

Habitat

Mountain forests, parks, and gardens

Season

February–March (flowers)

3D Specimen Model

Kyushu University, Shikano Lab (CC0)

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Morphological TraitsAI-estimated, needs verification

Growth form

Tree

Evergreen/Deciduous

Deciduous

Leaf margin

Serrate

Leaf shape

Linear

Flowering season

Spring

Leaf arrangement

Alternate

Leaf type

Simple

Stipules

Present

Flower symmetry

Actinomorphic

Phylogenetic Positionマンサク科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Saxifragales > Hamamelidaceae

Divergence Era

Late Cretaceous to Paleogene (approx. 70 million years ago)

Evolution Notes

Hamamelidaceae is positioned at a basal group of the core eudicots, belonging to an ancient lineage distinct from orders such as Brassicales.

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View マンサク科 page🌿 View in taxonomy
📚樹木図鑑(ナツメ社)

Sources & References

🤖Claude AI生成(未確認)

AI-generated, needs verification