- Flower nameCatalpa speciosa
- Scientific nameCatalpa 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.