Japanese thistle

Japanese thistle

Cirsium japonicum

Common Name:

Japanese thistle

Scientific Name:

Cirsium japonicum


Alternative common names:

Sea thistle; plumed thistle

Description:

A clump-forming biennial or perennial shrub growing 1-2m high, with pointed, spiny, toothed leaves dark green in colour. The rose-pink to lilac thistle-like flowers appear in late summer and early autumn.

Additional Information


Where does this species come from?

Japan and Asia.

What is its invasive status in South Africa?

NEMBA Category 1b.

Where in South Africa is it a problem?

Not currently listed as occurring in South Africa.

How does it spread?

Seed dispersal.

Why is it a problem?

This plant competes against indigenous vegetation and can become a noxious weed.

What does it look like?

A clump-forming biennial or perennial shrub growing 1-2m high.
Leaves: Pointed, spiny, toothed leaves dark green in colour.
Flowers: Rose-pink to lilac thistle-like flowers appearing in late summer and early autumn.
Fruit/seeds: Produces prolific tiny seeds from the thistle flower.

Does the plant have any uses?

Used in the production of oils.

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