BILLYGOAT WEED (WEED)
Ageratum conyzoides, Fam. Asteraceae
Erect or semi-prostrate annual or short-lived perennial herbs, 0.3-1m. Stems and leaves softly hairy with a characteristic odour when crushed.
|Form or habit:||Herb|
Opposite at base, later alternate, triangular shaped with heart-shaped to square base, regular rounded teeth along margin.
|Flower colour:||pale mauve to almost white|
|Flower description:||Small fluffy heads, borne in terminal clusters.|
|Fruit description:||‘Seeds’ black, about 2mm long, tipped by ring of chaff-like scales.|
|Food source for:|
|Toxicity:||Toxic or irritant to domestic pets|
|Weed status:||Environmental/garden escapee|
|Notes:||Spread by: Wind, water. Invades/threats: Weeds of disturbed areas. Cause harvesting difficulties in cane crops. A. conyzoides is the more common species in this region then A. houstonianum which has seldom been recorded. Environmental weed.|