Common catalpa

Common catalpa

Catalpa bignonioides

  • Fruit long and cylindrical
  • Leaves have smooth edges
  • Flowers showy and white; < 1.5" wide
  • Leaf unpleasant-smelling when crushed, tip shortly pointed
Common catalpa
Common catalpa

Northern catalpa

Northern catalpa

Catalpa speciosa

  • Fruit long and cylindrical
  • Leaves have smooth edges
  • Flowers showy and white; > 1.5" wide
  • Leaf scentless, tip long-pointed
Northern catalpa
Northern catalpa

Katsura tree

Katsura tree

Cercidiphyllum japonicum

  • Fruit small green pods bundled together
  • Leaves have toothed edges
  • Flowers inconspicuous
Katsura tree
Katsura tree

Empress tree

CC Tim Waters, flickr

Empress tree

Paulownia tomentosa

  • Fruit shaped like a pointed egg
  • Leaves have smooth edges
  • Flowers showy and lavender
Empress tree
Empress tree