Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
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Restricted Weed<br />
Thistle - Spear<br />
Description: An erect annual or biennial thistle up to 1.2 m<br />
tall.<br />
flowers: Pinkish purple, 3-5 cm spiky heads either solitary or<br />
small clusters at the end of branches. Flowering between late<br />
Spring and Autumn.<br />
leaves: Rough and hairy. Dark on upper side, lighter and<br />
hairier underneath. Deeply toothed with spiky margins. Base<br />
leaves to 35 cm and stalked, stem leaves to 25 cm and<br />
clasping the stem.<br />
stems: Branched towards the top, hairy and spiky.<br />
Note: Readily colonises disturbed or overgrazed areas.<br />
similar Native species: Unlikely to be confused with native<br />
species.<br />
78<br />
Cirsium vulgare<br />
(Bull Thistle, Black Spear Thistle, Scotch Thistle, Swamp Thistle)<br />
j f M A M j j A s O N D<br />
CONtROl OPtIONs VECtOR Of sPREAD
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