Alien Invasives

Yellow Oleander (Thevetia peruviana)

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06 October 2016

Yellow Oleander (Thevetia peruviana)

Yellow Oleander is a dense, leafy, evergreen shrub or small tree up to 6 metres high with milky sap. The leaves are narrow, lance-shaped, bright green, glossy above and paler below. Flowers may vary from yellow to orange. They are trumpet-shaped and twisted in the bud. The fruit is drupe-like, slightly fleshy and bright green eventually hardening and turning black, broadly triangular in outline with a raised ridge across the middle. All parts of the plant are toxic.

Other names
Lucky Nut, Mexican Oleander (English)
Geeloleander (Afrikaans)
Invasive status
NEMBA Category 1b
CARA 2002 Category 1

Yellow Oleander
Originally from
Mexico and the West Indies
Where is it a problem?
Gauteng, KwaZulu-Natal, Mpumalanga and Limpopo provinces
How does it spread?
Seed dispersal
Why is it a problem?
Competes with and replaces indigenous species. Highly toxic.
Planting alternatives
Cape Laburnum (Calpurnia aurea), Yellow Bauhinia (Bauhinia tomentosa)
Uses
Ornamental

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