- Common name Purple loosestrife
- Scientific name Lythrum salicaria (Lythraceae)
- Where does this species come from? Europe and Asia.
- What is its invasive status in South Africa? Existing legislation: CARA 2002 – Category 1 NEMBA – Category 1a
- Where in South Africa is it a problem? Western Cape.
- How does it spread? Seed dispersal.
- Why is it a problem? It can form dense stands that compete with and replace indigenous species.
- What does it look like? General description: An erect, hairy perennial growing up to 2m high with stout stems. Leaves: Leaves are stalkless, half-clasping to the stem and opposite. Flowers: Showy spikes of rose-purple flowers in summer. Fruit/seeds: Capsules 5mm long.
- Does the plant have any uses? Ornament.
- Plant me instead alternatives
Waterholly (Senecio glastifolius)