Trumpet creeper family
Bignoniaceae

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Trumpet creeper family

Bignoniaceae

ノウゼンカズラ科

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A family including Campsis, Paulownia, Spathodea, and Catalpa. About 82 genera and 800 species are known, with the diversity center in tropical America. Characterized by large trumpet-shaped flowers and winged seeds.

Key Characteristics

  • Corolla sympetalous, large and trumpet-shaped or bilabiate
  • Stamens 4 (didynamous) or 2
  • Fruit a long pod-like capsule containing numerous winged seeds
  • Mostly woody (trees or climbers)
  • Leaves opposite, often compound

Morphological Traits

A family may include species with different trait values — multiple values indicate the range within the family.

Leaf arrangement

Alternate / Opposite / Whorled

Leaf type

Compound / Simple

Venation

Pinnate

Leaf margin

Entire

Growth form

Shrub / Tree / Vine / Herb

Evergreen/Deciduous

Deciduous

Compound type

Pinnate / Bipinnate / Palmate

Leaf dissection

Dissected / Undivided

Stipules

Absent

Flower symmetry

Actinomorphic / Zygomorphic

Petal count

Many

Petal fusion

Fused

Ovary position

Superior

Stamen count

5

Plant sex

Hermaphrodite

Phylogenetic Position

Angiosperms > Eudicots > Core eudicots > Lamiales > Bignoniaceae

Divergence Era

Paleogene to Neogene (ca. 50 Ma onwards)

Representative Genera

ノウゼンカズラ属(Campsis)キリ属(Paulownia)カタルパ属(Catalpa)ジャカランダ属(Jacaranda)

Related Evolution Events

  • Evolution of wind dispersal via winged seeds
  • Development of bird and bat pollination through large flowers and nectar
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Plants in Trumpet creeper family on this site

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