Elaeocarpus

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Elaeocarpus

Elaeocarpus sylvestris

ホルトノキ

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ホルトノキ科WoodyEvergreen tall treeCoastal forestWarm regions

An evergreen tall tree growing in coastal forests of warm regions. It is distinctive for the red-colored senescent leaves interspersed among the evergreen foliage. White fringed flowers bloom in summer, followed by olive-like blue-purple fruits.

Identification Points

  • An evergreen tree with old leaves turning red before dropping (red leaves mixed among green foliage)
  • Petals are white and finely fringed
  • Fruits are ellipsoid, turning dark blue when ripe

Habitat

Coastal forests and hill forests in warm regions

Season

July–August (flowers); October–December (fruit)

Morphological TraitsAI-estimated, needs verification

Growth form

Tree

Evergreen/Deciduous

Evergreen

Leaf dissection

Dissected

Leaf shape

Round

Habitat

Coastal

Leaf arrangement

Alternate

Leaf type

Simple

Venation

Pinnate

Petal fusion

Fused

Stipules

Present

Flower symmetry

Actinomorphic

Ovary position

Superior

Phylogenetic Positionホルトノキ科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Celastrales > Elaeocarpaceae

Divergence Era

Late Cretaceous to Paleogene

Evolution Notes

Elaeocarpaceae belongs to the order Oxalidales and is distributed across Asia, Australia, and South America. The fringed petals are an example of morphological evolution specialized for insect attraction.

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Sources & References

🤖Claude AI生成(未確認)

AI-generated, needs verification