Weedscan Weed Profiles

WeedScan is a free community weed identification, alert, recording and communication system that supports cooperative weeds action Australia-wide. The weed profiles are being improved, please send feedback to weeds@invasives.com.au

View the Project on GitHub Centre-for-Invasive-Species-Solutions/demo_json_api

Asteraceae

Praxelis clematidea

Common Names: Praxelis

Plant Form: Upright annual or perennial herb. Size: 20 cm to 1.2 m tall. Stem: Brittle, cylindrical, covered in short soft hairs. Leaves: Tear or oval shaped to diamond shaped, with toothed edges.Emit a smell like cat-urine when crushed. Flowers: Cone to bell shaped heads with 30-50 bluish purple florets. Fruit and Seeds: Black seeds with tuft of white bristles. Habitat: Roadsides, railway lines, fence lines, pastures, riverbanks, woodlands. Distinguishing Features: Hairs on flowers tend to be longer than similar Billygoat weed (Ageratum houstonianum) and Blue top (A. conyzoides) and leaves are more triangular. Impacts: Increases management costs, infests native vegetation areas.

Leaves are smallish and pointed
Flowers are small
Can grow in dry sand, leaves smaller dark
Wind-blown seed