Tree Peony

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Tree Peony

Paeonia suffruticosa

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ボタン科WoodyDeciduousShrubLarge-floweredOrnamentalIntroduced

A deciduous shrub native to China, also called the 'king of flowers.' Large, magnificent blooms open in April–May in diverse cultivar colors including white, crimson, and purple. Introduced to Japan in the Nara period, it is deeply rooted in Japanese horticultural culture.

Identification Points

  • Flowers large, 15–20 cm across, with numerous petals
  • Leaves biternate; leaflet tips shallowly 2–3-lobed
  • Deciduous shrub with woody stems (unlike herbaceous Paeonia lactiflora)

Habitat

Gardens, parks, and temples/shrines

Season

April–May (flowers)

Morphological TraitsAI-estimated, needs verification

Growth form

Shrub

Evergreen/Deciduous

Deciduous

Leaf type

Compound

Leaf dissection

Dissected

Habitat

Cultivated

Leaf arrangement

Alternate

Venation

Palmate

Petal count

Many

Petal fusion

Fused

Stipules

Absent

Flower symmetry

Actinomorphic

Ovary position

Superior

Plant sex

Hermaphrodite

Compound type

Ternate

Stamen count

3-4

Phylogenetic Positionボタン科

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Saxifragales > Paeoniaceae

Divergence Era

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

Evolution Notes

Paeoniaceae is a monotypic family (single genus) in Ranunculales; Paeonia has an independent evolutionary history with remarkable floral diversity.

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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