-
nounany of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leavestype of:
Definition that contains thistle
- safflower thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil
- carthamus tinctorius thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil
- cirsium flodmanii thistle of western North America having white woolly leaves
- false saffron thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil
- woolly thistle thistle of western North America having white woolly leaves