Catalpa speciosa

Catalpa speciosa

  • Catalpa speciosa
  • Catalpa speciosa
  • Catalpa speciosa
  • Catalpa speciosa
  • Catalpa speciosa
  • Catalpa speciosa
  • Flower name
    Catalpa speciosa
  • Scientific name
    Catalpa speciosa
  • AliasCatalpa speciosa, オオアメリカキササゲ, northern catalpa, hardy catalpa, western catalpa, 花木大角豆
  • Place of originNorth America
  • Place of floweringBotanical Gardens
  • Flowering seasonJune

What is Catalpa speciosa

Catalpa speciosa, commonly known as the northern catalpa, western catalpa, hardy catalpa,and Hanakisasage (scientific name: Catalpa speciosa) is native to North America, and is a deciduous tree of the family Bignoniaceae . In early summer, the panicle inflorescence is extended and many white funnel-shaped flowers bloom. The flower has yellow stripes and pale purple spots in the lower lip.

Common name: Catalpa speciosa, Scientific name: Catalpa speciosa, also known as: Greater catalpa, northern catalpa, hardy catalpa, western catalpa, Origin: North America, Distribution: Taiwan, North America, China, Lifestyle: Deciduous tree, Tree height: 15-30 m, Leaf inflorescence: opposite, Leaf shape: Oval rectangle, Leaf back: Soft hair dense, Inflorescence: panicle, Flower color: White, flowering period: June, flower diameter: 3-6 cm, inflorescence length: 10-30 cm, corolla: funnel-shaped with yellow stripes and pale purple spots in the lower lip, fruit type: capsule, fruit shape: Elongated, Fruit period: September to October, Fruit length: 20-40 cm, Fruit diameter: 10-12 cm.


  • Order
    Lamiales
  • Family
    Bignoniaceae
  • Genus
    Catalpa
  • Species
    C. speciosa
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Corymbose inflorescence
  • Petal shape
    Funnel/trumpet shaped
  • Leaf type
    ovoid
  • Edge of the leaf
    All edges
  • Life typedeciduous tree
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height1500.0 ~ 3000.0 cm
  • Diameter of flower3.0 ~ 6.0 cm

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