Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
Weeds - Goulburn Broken Catchment Management Authority
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Regionally Controlled Weed<br />
Thistle - St Barnaby’s<br />
Centaurea solstitialis<br />
(Yellow Star Weed, Yellow Centaurea, Golden Star Thistle)<br />
Description: An erect annual or short lived perennial thistle,<br />
to 75 cm tall.<br />
flowers: Bright yellow on oval shaped heads 1-1.5 cm long.<br />
Solitary at the end of branches and surrounded by sharp<br />
golden spines. Flowers between late Spring and Summer.<br />
leaves: Silver/green due to a covering of downy hairs. Lower<br />
leaves deeply toothed, 20 cm long. Upper leaves narrow,<br />
5 cm long and clasping the stem, forming wings running<br />
downwards.<br />
stems: Branched, downy, winged and without spikes.<br />
Note: Competes with, and restricts the growth of pastures<br />
and crops.<br />
similar Native species: Unlikely to be confused with native<br />
species.<br />
j f M A M j j A s O N D<br />
CONtROl OPtIONs VECtOR Of sPREAD<br />
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