Colutea arborescens

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Colutea arborescens
20140515Colutea arborescens02.jpg
Scientific classification
C. arborescens
Binomial name
Colutea arborescens
Colutea arborescens

Colutea arborescens is a species of leguminous shrub known by the common name bladder-senna.[1] It is native to Europe and North Africa, but it is known on other continents where it is grown as an ornamental and used in landscaping for erosion control. It is also known in the wild as an occasionally weedy escapee from cultivation.


It is a vigorous shrub to 3 m, takes a rounded form and has many branches covered in deciduous leaves. The leaves are pale green[2] and made up of many pairs of slightly hairy oval-shaped leaflets, each up to about 3 cm long. The inflorescence is a raceme of generally pea-like yellow flowers about 3 cm long. The fruit is an inflated bladdery pod which dries to a papery texture. It is 2 to 3 cm long and contains many seeds.


It will grow in poor dry soil in exposed conditions, but likes full sun. It propagates by seed or softwood cuttings.[2]


  1. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  2. ^ a b "Colutea arborescens". Royal Horticultural Society. Retrieved 4 August 2017.

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