Japanese Pittosporum

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Japanese Pittosporum

Pittosporum tobira

トベラ

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トベラ科WoodyEvergreenShrubCoastalFragrantGarden tree

An evergreen shrub to small tree growing along coasts. In spring, it produces strongly fragrant white flowers; in autumn, fruits split open to reveal orange-red sticky seeds. Tolerant of salt wind, it is widely used as a windbreak and garden tree.

Identification Points

  • Leaves coriaceous, obovate, entire-margined, clustered at branch tips
  • Flowers white to pale yellow with a strong sweet fragrance (May–June)
  • Fruits yellow-green, dehiscent, revealing orange-red sticky seeds

Habitat

Coasts, forest edges, gardens, and parks

Season

May–June (flowers), October–November (fruit)

Morphological TraitsAI-estimated, needs verification

Growth form

Tree

Evergreen/Deciduous

Evergreen

Leaf margin

Entire

Habitat

Coastal

Leaf type

Simple

Venation

Pinnate

Petal count

Many

Stipules

Absent

Leaf dissection

Undivided

Flower symmetry

Actinomorphic

Ovary position

Superior

Stamen count

5

Phylogenetic Positionトベラ科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Apiales > Pittosporaceae

Divergence Era

Paleogene to Neogene

Evolution Notes

Pittosporaceae belongs to Apiales; the sticky seeds adhere to birds for long-distance dispersal, demonstrating an adaptation strategy of coastal plants.

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📚樹木図鑑(ナツメ社)

Sources & References

🤖Claude AI生成(未確認)

AI-generated, needs verification