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A perennial field thistle considered to be invasive

Stemmacantha rhapontica, Gewöhnliche Bergscharte, Compositae, Asteraceae, Giant scabiosa

A blue thistle wildflower against a plain white background.

meadow herbs ivan-tea, sweet clover and thistle growing in the field

The purple thistle flower photographed in Australia

$Tall biennial to 1,5m, stem with sharp spiny Wings to the Top, Leaves lanceolate, pinnately -lobed, spiny-margined, dull green, prickly-hairy on the upper Surface. Flower heads purple, 20-40mm, in a panicle or flat topped Cluster.\nHabitat: Grassy and waste Places, disturbed Ground, often on fertile base-rich soils. Flower Season: July-October.\nDistribution: Throughout Europe (North America), except the far North. Cosmopolite?\n\nThis Picture is made during a Vacation to Ireland in July 2022.$