This week's weed is annual Siam. It is classified as a RESTRICTED species. It is a dense tangling bush that quickly invades and smothers native vegetation.
WHAT TO LOOK FOR
- Dense tangling bush up to 2-3 meters tall.
- Scrambles up trees to 20 m.
- Fibrous, shallow root system with a basal ball.
- Leaves are soft, green, hairy and roughly triangular with distinctive 3 vein pattern.
- Flowers are pale lilac, appearing white from a distance.
- Blue top or billy goat weed
WHY IT'S BAD
- Quickly invades and smothers native vegetation.
- Out-competes native vegetation.
- Increases frequency and intensity of bushfires.
WHAT TO DO
- This plant must NOT be given away, sold, or released into the environment. Penalties may apply.
- Please report any sightings of this plant to council for advice on control options.