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Botanical name: Cassia (Senna) didymobotrya
Legume family (Fabaceae)
English: Peanut-butter Cassia, Wild Senna
Afrikaans: Grondboontjiebotterkassia

 

Senna didymobotrya Senna didymobotrya
Senna didymobotrya Senna didymobotrya


CATEGORY:
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CONTROL:
Manual: A semi-deciduous perennial shrub that only reproduces by seed, it is best controlled manually.
Chemical: No herbicides registered at present, but try treatments for bugweed if desperate!

DESCRIPTION: Bright yellow flowers in clusters with dark brown bud and smell distinctly like peanut butter; flattened brown pods leaves divided into leaflets; many-stemmed shrub or small tree.  Flowering time: Flowers most of the year but peaks in autumn.

ORIGIN: Originates from tropical Africa and has been widely cultivated as an ornamental.

WHERE FOUND/PROBLEMS CAUSED: Throughout the summer rainfall regions, it is commonly found in disturbed areas such as roadsides and waste areas, but prefers sheltered, moist situations.  Grows rapidly and is difficult to control. Invades grassland, coastal scrub, woodland, roadsides, riverbanks and wasteland.

DID YOU KNOW: Peanut-butter Cassia was once commonly grown as a garden plant but has escaped and like many other exotic ornamentals has become a serious and invasive weed.

Indigenous alternatives

Bush Neat's Foot Bauhinia tomentosa
Natal Laburnum Calpurnia aurea
Cape Rattle-pod Crotolaria capensis

This page was last edited on 22 April, 2006

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