L., Sp. Pl. 2:821 (1753).
Synonymy: Not Applicable
Common name: Nodding thistle.
Biennial herb to 70 cm high with a thick tap root; basal leaves forming a rosette, lanceolate to oblanceolate, 5-25 cm long, 2-10 cm wide, pinnatipartite, with triangular to rhomboid lobes, grey-green, concolorous, pubescent; margins with short spines; stems erect, branched, cobwebby, with wings broken into spiny lobes; cauline leaves similar to basal leaves, to 10 cm long, decurrent.
Capitula several in a terminal panicle, erect or nodding, 2-4 cm diam., on terete peduncles 10-20 mm long; involucre hemispherical, 2-3 cm long; bracts lanceolate, glabrous to cobwebby; outer ones spine-tipped, slightly spreading, green; intermediate ones spine-tipped, erect, purplish; inner ones shorter, not spiny; corollas 18-22 mm long, purple.
Achenes 4-5 mm long; pappus bristles unequal, 15-20 mm long.
Parsons (1973) Noxious weeds of Victoria, fig. 26.
W.Aust.; N.S.W.; Vic. Native to Europe.
Flowering time: Dec. — Feb.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available