Bull Thistle
Bull Thistle
Cirsium vulgare
Sunflower Family - Asteraceae
Flowerhead composed of all disk flowers below which are many spiney, yellow-tipped bracts. Leaves extensively notched and bordered with many sharp spines.
(Photographed - late July)
A tall, prickly, wing stemmed plant with relatively large, rose-purple flowerheads (1.5 to 2.5" high).
  Pathology Images Inc. 2000 to 2002