Invading ageratum

Invading ageratum

Ageratum conyzoides (Asteraceae)

Common Name:

Invading ageratum

Scientific Name:

Ageratum conyzoides (Asteraceae)


Alternative common names:

Indringer-ageratum; bokkruid (Afrikaans)

Description:

Annual with fluffy flower-heads and green, purplish or reddish stems 30cm-1m high. Bright green leaves. Mauve, blue, pinkish or white flowers all year on 4-5mm heads. This plant is poisonous.

Additional Information


Where does this species come from?

Central and South America, as well as the West Indies.

What is its invasive status in South Africa?

Existing legislation: CARA 2002 - Category 1 NEMBA 2020 - Category 1b

Where does this species come from?

Central and South America, as well as the West Indies.

Where in South Africa is it a problem?

Eastern Cape, Kwa-Zulu Natal, Limpopo and Mpumalanga.

How does it spread?

Seed dispersal

Why is it a problem?

This plant competes with and has the potential to replace, indigenous species. It is also poisonous.

What does it look like?

General description: A fairly short annual with fluffy flower-heads and green, purplish or reddish stems 30cm-1m high.
Leaves: Bright green leaves
Flowers: Blue, mauve, pink or white fluffy flowers all year round.
Fruit/seeds: Brown, one-seeded fruits.

Does the plant have any uses?

Originally planted as an ornamental.

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