Maackia amurensis

Amur Maackia

Leguminosae

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Habitat

  • native to Manchuria
  • hardy to zone 4

Habit and Form

  • a deciduous small tree
  • grows 20' to 30' tall
  • at least as wide as tall
  • rounded shape
  • foliage mostly toward the outer part of the canopy
  • short main trunk that splits into many main branches 2' to 3' from the ground
  • neat clean attractive form

Summer Foliage

  • alternate, pinnately compound leaves
  • leaves 8" to 12" long
  • 7 to 11 leaflets per leaf
  • leaflets are 1.5" to 3.5" long and elliptic to ovate
  • color is dark gray-green or olive-green
  • hairs on emerging shoots and leaves makes them appear silvery
  • high quality and attractive

Autumn Foliage

  • no color develops
  • leaves drop green or brown

Flowers

  • small dull, white pea-like flowers
  • in upright clusters
  • clusters are 4" to 6" long
  • bloom time is June and July
  • flowers are not overwhelmingly showy but are nice for their summer appearance
  • like most legume trees, heavy blooming does not occur each year

Fruit

  • a 2" to 3" long flat pod
  • changes from green to brown

Bark

  • exfoliates in curls
  • color is an interesting amber or copper color with greenish undertones
  • bark that isn't exfoliating is shiny and looks as if it were varnished
  • an ornamental asset

Culture

  • full sun is best
  • seems to prefer loose, well-drained soils
  • soil pH is not an important factor
  • easily transplanted
  • fixes nitrogen

Landscape Use

  • for nice foliage and form
  • for attractive bark
  • for summer flowers
  • excellent small tree for residences
  • for difficult sites

Liabilities

  • no serious problems
  • have seen Japanese beetles feeding on foliage
  • may not bloom well every year
  • hard to locate to purchase

ID Features

  • dull white pea-like flowers in summer
  • curly exfoliating, yet shiny amber bark
  • odd-pinnately compound leaves
  • short main trunk
  • broad rounded and refined outline

Propagation

  • by seed

Cultivars/Varieties

  • none

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

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.