COVID-19 Advice for the JCU Community - Last updated: 29 November 2021, 11am (AEST)

Chromolaena odorata

Image of Chromolaena odorata

(Siam Weed)

FAMILY

Asteraceae

Species

Chromolaena odorata

Common name(s)

Siam Weed

Flower colour; life form

Flowers white to mauve. Shrub to 7 m tall, scrambling

Distinguishing features

Leaves opposite, triangular with 3 conspicuous main veins, margins coarsely toothed. Aromatic when crushed. Flower head white, pink to mauve, disc florets only. Seeds with a pappus of fine bristles. Prolific seeder.

Chromolaena odorata