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Bignoniaceae Juss., nom. cons. (ノウゼンカズラ科)

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

[Engler's syllabus (エングラー体系)]
Campsis Lour. (ノウゼンカズラ)
Catalpa Scopoli (キササゲ)
Crescentia L. (フクベノキ)
C. cujete L. (フクベノキ)
Jacaranda Juss. (キリモドキ)
≈ 50 species
One species has Japanese name
J. mimosifolia D. Don (キリモドキ)
Parmentiera DC. (ロウソクノキ)
≈ 50 species
One species has Japanese name
P. cereifera Seem. (ロウソクノキ)
Tecomaria Spach (ヒメノウゼンカズラ)
≈ 14 species of shrubs and short trees
T. capensis (Thunb.) Spach (ヒメノウゼンカズラ)

Campsis Lour. (ノウゼンカズラ) in Japan

C. grandiflora (Thunb.) K. Schum. (ノウゼンカズラ)
C. radicans (L.) Seem. (アメリカノウゼンカズラ)
C. × tagliabuana (Vis.) Rehder (アイノコノウゼンカズラ)

cv. Madame Galen

Catalpa Scopoli (キササゲ) in Japan

Five species in the world (2 in north America and 3 in eastern Asia)
All species in Catalpa are exotic to Japan (bascially by transplantation)
C. bignonioides Walt. (アメリカキササゲ)
C. bungei C. A. Mey. (トウキササゲ, 楸)
C. ovata G. Don (キササゲ, 梓)
C. speciosa Warder ex Engelm. (オオアメリカキササゲ)