sonchus oleraceus

English Thesaurus

1. annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower heads (noun.plant)

hypernym	:	milk thistle, sow thistle,
definition	:	any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers; widely naturalized; often noxious weeds in cultivated soil (noun.plant)