sow thistle

Noun sow thistle has 1 sense

• sow thistle(n = noun.plant) milk thistle - 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;
is a member of genus sonchus, sonchus
has particulars: milkweed, sonchus oleraceus
is a kind of bush, shrub