The spear thistle, whose scientific name is cirsium vulgare, is a member of the thistle family asteraceae.
Also called bull thistle or common thistle, it is native to much of Europe, western Asia, and northwest Africa.
This plant is a biennial or short-lived monocarpic thistle.
It forms a rosette of leaves and main roots in the first year and a flower stalk in the second year.
Spear thistle has fine, pappus hairs with fine lateral hairs.
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