sow thistle

(so̵u)

any of several weeds (genus Sonchus) of the composite family, with yellow flower heads and spiny leaves

Origin: ME sowethistel (parallel with Ger saudistel): see sow & thistle

See sow thistle in American Heritage Dictionary 4

noun

Any of various plants of the genus Sonchus, especially S. oleraceus of Eurasia, having prickly leaves and rayed, yellow flower heads.

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