Staphylea trifolia

American Bladdernut

Staphyleaceae

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Habitat

  • native to Ontario down through Georgia
  • hardy in zone 4

Habit and Form

  • a deciduous shrub
  • 10' to 15' tall
  • spread is slightly less
  • upright and wide-spreading
  • medium texture
  • fast growth rate

Summer Foliage

  • opposite leaf arrangement
  • trifoliate leaves
  • leaflets are broad and ovate
  • 2" to 4" long
  • sharp, uneven serrations
  • pubescent underside
  • dark green leaf color

Autumn Foliage

  • pale yellow fall color

Flowers

  • greenish white flowers
  • bell-shaped
  • 0.33" long
  • 1.5" to 2" long panicles
  • blooms in May

Fruit

  • 3-lobed, inflated capsule
  • pale green maturing to brown
  • matures in September

Bark

  • greenish-gray bark with white fissures
  • downy
  • glabrous

Culture

  • prefers moist, well-drained soils
  • shade

Landscape Use

  • naturalizing
  • park tree
  • nice foliage

Liabilities

  • no serious pest problems

ID Features

  • solitary, glabrous ovoid terminal buds
  • 3-lobed, inflated capsule
  • greenish white flowers
  • trifoliate leaves

Propagation

  • by seed
  • by cuttings

Cultivars/Varieties

  • none

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.