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Acacia nigrescens ck

Acacia nigrescens

Knob Thorn (english)
Knoppiesdoring (afrikaans)
moritidi (n. sotho)
mokoba (tswana)
munanga (venda)
umkhaya (zulu)


Genus Acacia
Specie nigrescens
SA Plant Number 178
Basionym Acacia nigrescens

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Acacia nigrescens is a hardy, small to large stately deciduous tree is characterised by its knob-studded grey or yellow trunk and branches.The hooked spine-tipped knobs are prevalent on young trees but are less evident on older specimens.

Sweetly-scented spikes of creamy-white flowers are produced from August to November.When in flower this tree is alive and humming with the multitude of insects and birds that feast on the pollen and nectar offered up.

It is an important browse tree for game and generally indicates good ranching land.The graceful, tall canopy attracts Paradise Flycatchers and hole-nesting birds.It is the host plant of the Demon Emperor Butterfly.The wood is very hard and used extensively.

It makes a good bonsai and container subject.It grows in a wide variety of soil types in full sun.

Size: 2 to 15m




Limpopo, North West, Gauteng, Mpumalanga, KwaZulu Natal


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