Sonchus oleraceus
(redirected from Annual Sow Thistle)Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
| Noun | 1. |  Sonchus oleraceus - annual Eurasian sow thistle with soft spiny leaves and rayed yellow flower headsmilk thistle, sow 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 |