perennial European sow thistle


Definition of perennial European sow thistle

: a perennial sow thistle (Sonchus arvensis) that is native to Europe but widely naturalized as a weed, spreads by creeping underground rhizomes, and has clasping spiny leaves and heads of yellow flowers on long peduncles

called also field sow thistle

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Cite this Entry

“Perennial European sow thistle.” The Dictionary, Merriam-Webster Inc., Accessed 11 December 2019.

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heavy with or as if with moisture

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