Powered by the Centre for Invasive Species Solutions
Plant Form: Biennial rosette herb.
Size: Up to 1 m across.
Leaves: Spiny, in rosette, up to 50 cm long, deeply dissected, white-hairy.
Flowers: White flowerheads solitary or in dense cluster, 4-6 cm across, with surrounding bracts ending in straight spine.
Fruit and Seeds: 4-5 mm long, with rough parachuting hairs up to 3 cm long.
Habitat: Pastures, roadsides, disturbed areas, bare ground.
Distinguishing Features: Distinguished from other thistles by not having a stem.