Stinking Roger
Tagetes minuta, Fam. Asteraceae
An erect annual herb to 2m usually with a single or slightly branched, ribbed stem. The whole plant is yellowish-green and has an unpleasant smell.
| Weed Category: |
Other invasive plants Invasive plants that are not prohibited or restricted invasive plants, but are known to spread readily and cause negative impacts, within the region.
|
| Weed: | Yes |
| Form or habit: | Herb |
| Family: | Asteraceae |
| Leaf: | Simple Alternate Simple, opposite at base, alternate near top, pinnately dissected, up to 150mm long, leaflets elliptic, 10 x 30-40mm, margins saw-toothed and with elongated, sunken oil glands near base of the serrations. |
| Flower conspicuous: | Conspicuous |
| Flower colour: |
Yellow |
| Flower description: | Dull yellow, cylindrical heads 12 x 2mm borne in dense terminal clusters. |
| Fruit conspicuous: | Inconspicuous |
| Fruit colour: |
Black |
| Fruit: | Dry |
| Fruit description: | ‘Seeds’ black, straight, linear, 5-8mm long, topped with long bristles. |
| Habitat: | |
| Distribution | |
| Food source for: | |
| Toxicity: | Irritant sap |
| Origin: | South America |
| Notes: | Spread by: wind, water, contaminated soil and machinery. Invades/threats: disturbed areas, roadsides, headlands and un-managed land. Notes: irritant sap that can cause dermatitis in sensitive people. Environmental weed. |
| Information sources: | Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition. |
